Math

QuestionFind the intercepts of the equation y=3x23y=3x^{2}-3.

Studdy Solution

STEP 1

Assumptions1. We are given the equation y=3x3y=3x^{}-3 . We are asked to find the intercept(s) of the equation. There are two types of intercepts x-intercept(s) and y-intercept(s).
3. An x-intercept is a point where the graph of the equation crosses the x-axis. At these points, y=0y=0.
4. A y-intercept is a point where the graph of the equation crosses the y-axis. At these points, x=0x=0.

STEP 2

First, let's find the x-intercept(s) of the equation. We do this by setting y=0y=0 and solving for xx.
0=x20=x^{2}-

STEP 3

To solve for xx, we first add3 to both sides of the equation.
3=3x23=3x^{2}

STEP 4

Next, we divide both sides of the equation by3 to isolate x2x^{2}.
x2=1x^{2}=1

STEP 5

Finally, we take the square root of both sides of the equation to solve for xx. Remember, when we take the square root of a number, we get two solutions one positive and one negative.
x=1,1x=\sqrt{1}, -\sqrt{1}

STEP 6

Calculate the x-intercept(s).
x=1,1x=1, -1

STEP 7

Now, let's find the y-intercept of the equation. We do this by setting x=0x=0 and solving for yy.
y=3(0)23y=3(0)^{2}-3

STEP 8

Calculate the y-intercept.
y=3y=-3The x-intercepts of the equation are x=1x=1 and x=1x=-1, and the y-intercept of the equation is y=3y=-3.

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