Math  /  Algebra

QuestionWrite an equation for the line that has a slope of 12\frac{1}{2} and passes through (6,3)(6,-3) y=y= Question Help: Video Submit Question

Studdy Solution

STEP 1

1. We need to find the equation of a line.
2. The line has a slope of 12\frac{1}{2}.
3. The line passes through the point (6,3)(6, -3).
4. We will use the point-slope form of a line to find the equation.

STEP 2

1. Recall the point-slope form of a line.
2. Substitute the given slope and point into the point-slope form.
3. Simplify the equation to the slope-intercept form.

STEP 3

Recall the point-slope form of a line, which is given by:
yy1=m(xx1) y - y_1 = m(x - x_1)
where m m is the slope and (x1,y1)(x_1, y_1) is a point on the line.

STEP 4

Substitute the given slope m=12 m = \frac{1}{2} and the point (6,3)(6, -3) into the point-slope form:
y(3)=12(x6) y - (-3) = \frac{1}{2}(x - 6)
This simplifies to:
y+3=12(x6) y + 3 = \frac{1}{2}(x - 6)

STEP 5

Simplify the equation to the slope-intercept form y=mx+b y = mx + b .
First, distribute the slope 12\frac{1}{2} on the right side:
y+3=12x12×6 y + 3 = \frac{1}{2}x - \frac{1}{2} \times 6 y+3=12x3 y + 3 = \frac{1}{2}x - 3
Next, subtract 3 from both sides to solve for y y :
y=12x33 y = \frac{1}{2}x - 3 - 3 y=12x6 y = \frac{1}{2}x - 6
The equation of the line is:
y=12x6 y = \frac{1}{2}x - 6

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