1. A line passes through points (8,−2) and (−5,7). Which ratio can be used to determine the slope of the line?
a. −2+78+5
c. −5−87−2
b. 8+57+2
d. −5−87+2
Answer the questions about the following polynomial.
−7x2−2+41x3 Answer Attempt 1 out of 2 The expression represents a □ polynomial with □ terms. The constant term is □ , the leading term is □ , and the leading coefficient is □ .
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A finite sequence is shown.
{−25,−22,−19,…,32} Which sigma notation can be used to represent the series for the finite sequence?
Help: Introduction to Sigma Notation (video).
∑n=118(3n−28)∑n=120(3n−28)∑n=120(−3n−22)∑n=118(−3n−22)
An algebraic expression involving base 10 logarithms is shown below.
4log(x+1)−31log(x+2)+2log(x+5)
- Which expression is equivalent to the given algebraic expression written as a single logarithm? Help: The Properties of Logarithms (video).
log((x+5)2(x+1)43x+2)log(3x+2(x+1)4(x+5)2)log(3x+28(x+1)(x+5))log(3x+28(x2+6x+5))
Solve the rational inequality and graph the solution set on a real number line. Express the solution set in interval notation.
x+5x+2<2
\begin{tabular}{|c|c|c|c|}
\hline Interval & □ & □ & □ \\
\hline Sign & □ & □ & □ \\
\hline
\end{tabular}
(Type your answers in interval notation. Use ascending order.)
Solve the inequality. What is the solution set? Select the correct choice below and, if necessary, fill in the answer box to complete your choice.
A. The solution set is □
(Simplify your answer. Type your answer in interval notation. Type an exact answer, using radicals as needed. Use integers or fractions for any numbers in the expression.)
B. The solution set is the empty set. Which number line below shows the graph of the solution set?
A. B
c.
E. F
Solve the inequality.
26. 2h+8>22
3
a. h>3
b. h>7
c. h>14
d. h<7 27. 5−3b>9
a. b>6
b. b>−35
c. b<−15
d. b<−6 Solve the equation. Then check your solution.
28. −72.12=6(3d+10)
a. -4.562
b. -7.34
c. 7.34
d. -0.673 Simplify the expression. If not possible, write simplified.
29. 10x+3(−10−10x)
a. −20x−30
b. 40x−7
c. −20x−7
d. 40x Solve the proportion. If necessary, round, to the nearest hundredth.
- 30. 23=10c
a. 21
b. 12
c. 18
d. 15 31. 34=18c
a. 32
b. 20
c. 28
Find an equation of the inverse of the relation y=3x+4. Then complete the second table of the inverse and graph both the original relation and its inverse.
\begin{tabular}{|r|r|}
\hline x & y \\
\hline-1 & 1 \\
\hline 0 & 4 \\
\hline 1 & 7 \\
\hline 2 & 10 \\
\hline 3 & 13 \\
\hline
\end{tabular}
\begin{tabular}{|c|c|}
\hline x & y \\
\hline 1 & \\
\hline 4 & \\
\hline 7 & \\
\hline 10 & \\
\hline 13 & \\
\hline
\end{tabular} The equation of the inverse of the relation is x=□.
(Do not factor. Use integers or fractions for any numbers in the expression.)
^ 3.11.3 Qulz: Comparing and Analyzing Function Types Questlon 4 of 10
What can you say about the continuous function that generated the following table of values?
\begin{tabular}{|c|c|}
\hlinex & y \\
\hline 0.125 & -3 \\
\hline 0.5 & -1 \\
\hline 2 & 1 \\
\hline 8 & 3 \\
\hline 64 & 6 \\
\hline
\end{tabular}
A. the function has at least one x-intercept
B. not enough information to answer the question
C. the function has more than one x-intercept
D. the function has no x-intercepts
เi. on 5 -
Notes
C.
Q
Line Guide
Reset Answer This question has multiple parts. Be sure to answer all the parts of this question. Each figure is created using green hexagon tiles.
PART A Is the sequence describing the number of green hexagons used in each figure an arithmetic or geometric sequence? Explain. Figure 1
Figure 2
Figure 3
Enter your response here
HS Algebra 2 UO Quick Quiz \#1 - 24-25 / 6 OF 8
on 6 -
Notes
Line Guide
Reset Answer This question has many parts. Be sure to answer all the parts of the question. A sandwich shop charges one price for any foot-long sub, with the option of adding premium toppings for $1.30 each. A foot-long sub with 2 premium toppings costs \9.09.AdrienneandRileyareaskedtowriteanexplicitruleforthecostofafootlongsandwichwithnpremiumtoppings.Theiranswersareshownbelow.Adrienne:f(n)=9.09+1.30(n-2)Riley:f(n)=6.49+1.30 n$
Review/ End Test
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Naxt
The graph of f behaves like y=x3 for large values of ∣x∣.
(b) Find the x-and y-intercepts of the graph of the function The x -intercept(s) is/are 0,6
(Simplify your answer. Type an integer or a fraction. Use a comma to separate answers as needed. Type each answer only once.) The y-intercept is 0
(Simplify your answer. Type an integer or a fraction.)
(c) Determine the zeros of the function and their multiplicity. Use this information to determine whether the graph crosses or touches the x -axis at each x -intercept. The zero(s) of f is/are 0,6.
(Simplify your answer. Type an integer or a fraction. Use a comma to separate answers as needed. Type each answer only once.)
The lesser zero of the function is of multiplicity 2, so the graph of f touches the x-axis at x=0. The greater zero of the function is of multiplicity 1 , so the graph of f crosses the x -axis at x=6.
(d) Determine the maximum number of turning points on the graph of the function.
□ (Type a whole number.)
- *
\begin{tabular}{|c|c|}
\hline & \\
\hline-3 & -9 \\
\hline-1 & -3 \\
\hline 3 & 9 \\
\hline 7 & 21 \\
\hline
\end{tabular} What is the constant of proportionality for the table? A -3 B 8 C 16 D 3
17. Write an equation of the line that passes through (3,1) and is parallel to y=−3x+4 18. Write an equation of the line that passes through (−2,−3) and is perpendicular to y=52x+6
This question has two parts. Angela makes an error when finding the product of 3 and 42 . Her work is shown.
Part A
Click on the part of the work where Angela's error first appears.
\begin{tabular}{|c|c|}
\hline Given & 3×42 \\
\hline Step 1 & 3×(4+2) \\
\hline Step 2 & (3×4)+(3×2) \\
\hline
\end{tabular} Part B
What is the product of 3 and 42 ?
Rewrite g(x)=−9x2−51x in factored form.
Use the keypad to enter your answer in the box.
Find more symbols by using the drop-down arrow at the top of the keypad. The function g(x)=−9x2−51x is factored completely to get g(x)=□ .
Solve for c.
9∣c+5∣≥18 Write a compound inequality like 1<x<3 or like x<1 or x>3. Use integers, prope fractions, or improper fractions in simplest form.
□
\begin{tabular}{|c|c|c|c|}
\hline> & < & ≥ & ≤ \\
\hline= & and & or & Un \\
\hline
\end{tabular}
Submit
Rewrite 8x2−20x−12=0 using its factors, and solve for the values of x that satisfy the equation.
Use the keypad to enter your answers in the boxes.
Find more symbols by using the drop-down arrow at the top of the keypad. The equation 8x2−20x−12=0 can be rewritten using factors as □ . The values of x that satisfy the equation are x=□ and x=□ .
Suppose that the polynomial function f is defined as follows.
f(x)=6x(x+5)(x−9)2(x+7)3 List each zero of f according to its multiplicity in the categories below. If there is more than one answer for a multiplicity, separate them with commas. If there is no answer, click on "None." Zero(s) of multiplicity one: □□□ , □,
None Zero(s) of multiplicity two: Zero(s) of multiplicity three: □
Question 12. Given matrices
A=⎝⎛235001101⎠⎞B=⎝⎛111021110⎠⎞, Evaluate the following:
a) Transpose of B,
b) Determinant of A ,
c) A+2B,
d) A−B,
e) AB
Select all polynomials that have (x+2) as a factor.
Choose all answers that apply:
(A) A(x)=x3−3x2−10x
(B) B(x)=x3+5x2+4x
(c) C(x)=x3−2x2−13x−10
(D) D(x)=x3−6x2+11x−6
Consider the equation −16⋅106x=−80
Solve the equation for x. Express the solution as a logarithm in base-10.
□
Approximate the value of x. Round your answer to the nearest thousandth.
x≈□
1.
G(m2) An object with a mass of 25 Kg and another with a mass of 1500 Kg are separated by a distance to their centers of 1000 m . What is the gravitational force (Fg) between them? 2. What would be the Fg in the above problem if both of the objects had a mass of 25 Kg ? 3. An unknown object is 1.6×1015m away from an object with a mass of 2.7×1013Kg. If the force between them is 25 N , what is the mass of the unknown object? 4. Two objects, each with a mass of 7.78×10−3Kg have a force of 1.5×10−25N. What is their radius in m ? Remember you have to take the square root. 5. Yalculate the force between an object of mass 9×102Kg and another of mass 1 Kg that are 5.5×104m art.
Enter the correct answer that completes the sentence below.
Any line perpendicular to the graph of 4x+7y=7 must have slope .
Any line perpendicular to the graph of 4x+7y=7 must have slope □□.
(Type an integer or a simplified fraction.)
e polynomial function f(x) is graphed below. Fill in the form below regarding the features of this graph. Answer Attempt 3 out of 3 The degree of f(x) is □ minimums. and the leading coefficient is . There are □ distinct real zeros and □ rela
Submit Answer
If a certain number is added to the denominator of the fraction 53 and 7 is added to the numerator, the result is a fraction that will reduce to 21. What number is added to the denominator? Let x= the number added to the denominator.
5+x3+7=21
Match the expression in Column I with its equivalent expression in Column II. 0
−1
1
6
−6
Drag the correct choice given above into the appropriate area below to match each of the four given expressions. Choices may be used once, more than once, or not at all.
I
II
(a) 6∘
(b) −60
(c) (−6)0
(d) −(−6)0
For the quadratic function f(x)=x2+6x parts (a) through (f).
(Type your answer in interval notation.)
The range of f is (−9,∞).
(Type your answer in interval notation.)
(e) Determine where the quadratic functio increasing and where it is decreasing. The function is increasing on the interval (Type your answer in interval notation.)
Find a basis for the eigenspace corresponding to the eigenvalue.
A=⎣⎡32−238−6−2−46⎦⎤,λ=2 A basis for the eigenspace corresponding to λ=2 is □ (Type a vector or list of vectors. Type an integer or simpantied fraction for each matrix element. Use a comma to separate answers as needed)
James borrows $4,200 to pay his college tuition. He signs a 5 -year simple interest loan. If the monthly payments are $78.40, what is the interest rate on the loan?
0.12\%
0.11\%
10.7\%
12\%
ber of years since 2018.
Postcards: p(x)=150+64x
Stickers: s(x)=3(x+4)2+200
exponential function t(x) shown on the coordinate grid w represents the number of t -shirt sales Brayton has made x s after 2018. Which/function represents the number of t-shift sales Brastion has made x years after 2018? A t0(x)=140(0.71)x B t(x)=100(1.4)x C t(x)=100(0.4)x D t(x)=140(2)x
Find the partial fraction decomposition of the following rational expression.
x(x2+4)12x(x2+4)12=□
(Use integers or fractions for any numbers in the expression.)
Graph the hyperbola using the transverse axis, vertices, and co-vertices:
4x2−25y2=1 Use the green key point to change the orientation of the transverse axis, and the red key points to adjust the locations of the vertices and co-vertices. Provide your answer below:
For a starting dollar amount of $19,365 and an annual interest rate of 4.7% compounded quarterly, use the Compound Interest Formula to find the final dollar AMOUNT after 14 YEARS. Compound Interest Formula:
A=P∗(1+nr)(n⋆t) Section 4B
\$36,981.44
\$37,126.34
\$37,316.29
\$37,249.24
\$37,258.42
Graph the hyperbola using the transverse axis, vertices, and co-vertices:
4y2−x2−4=0 Use the green key point to change the orientation of the transverse axis, and the red key points to adjust the locations of the vertices and co-vertices. Provide your answer below:
Corinne's goal is to have $27,500 to start a new cake decorating business when she retires in 15 years. How much should she invest now in a CD that pays 4.35% interest compounded quarterly to reach her goal? Corinne needs to invest \\square$ now.
(Round to the nearest cent as needed.)
A department store sells a pair of shoes with an 87% markup. If the store sells the shoes for $192.61 then what is their non-markup pri
\$87
\$103
\$142
\$187
Find the simple interest. Assume the rate is an annual rate. Assume 360 days in a year.
\begin{tabular}{cccc}
Principal & Rate & Time in Months & Interest \\
p=$1400 & r=521% & t=9 &
\end{tabular} The interest is \\square$
(Round to the nearest cent.)
Determine the simple interest. The rate is an annual rate. Assume 360 days in a year.
p=$460,r=1.25%,t=5.75 years The simple interest is $□
(Round to the nearest cent as needed.)
A youth sports league held various fundraisers. They received $340 from a car wash, $579 from a bake sale, and $195 from a used equipment sale. The league decides to invest this money in a 3 year CD that pays 4.3% interest compounded daily. How much will the league receive from the CD in 3 years? The league will have $□ in this account after 3 years.
(Round to the nearest cent as needed.)
Use the compound interest formula to compute the total amount accumulated and the interest earned.
$2500 for 5 years at 3.2% compounded monthly The total amount accumulated after 5 years is $□
(Round to the nearest cent as needed.)
The amount of interest earned is $□
(Round to the nearest cent as needed.)
The maximum distance d in kilometers that you can see from a height of h meters is given by d=3.5h. Find the distance you can see from the top of a tower that is 272.5 meters high.