3 years ago

Algebra 2 Solve: f(x)=x^2-9

1 answer:

7 0

This problem is a difference of squares. So to solve this you want to factor it out so you get two numbers that multiple to -9 and add to 0. That would be -3 and 3

f(x)=(x-3)(x+3)

So your solution when you set f(x) to 0 would be -3 and 3.

You might be interested in

The line represented by the equation 3x + 5y = 2 has a slope of -3/5. Which shows the graph of this equation?

Daniel [21]

Graph 3 is the answer. Choose a point on the line. Go down by 3. Then go to the right by 5.

4 0

3 years ago

Stan The Boyz<br>Stream Stealer

pentagon [3]

Ummmmmm whatttt I’m confuseddd

5 0

3 years ago

Read 2 more answers

A dealer has a lot that can hold 30 vehicles. In this lot, there are two available models, A and B. The dealer normally sells at

Vanyuwa [196]

The answer is a 20 model A, 10 model B

8 0

3 years ago

The surface area of the prism is ______ square units. All measurements in the image below are in units. (Input the whole number

Alex787 [66]

The surface area of the triangle is 1/2 * 6*8 so it is 24 sq units
The whole thing is 24* 7.5 so it is 180 sq units

7 0

2 years ago

The length of a rectangle is increasing at a rate of 6 cm/s and the width is increasing at a rate of 4 cm/s. when the length is

alukav5142 [94]

The area is 192 and the speed it’s increasing at is 24 cm^2/s

7 0

3 years ago