F(x)=8x^2 -800 Enter the solutions from least to greatest.

Question

asked Oct 16, 2021 174k views

1 Answer

Marcelis · Answer 1 · 2021-10-22T05:59:55+0000

Answer:

x = -10, 10

Explanation:

Step 1: Write out function

f(x) = 8x² - 800

Step 2: Set equal to 0

0 = 8x² - 800

Step 3: Add 800 on both sides

800 = 8x²

Step 4: Divide both sides by 8

x² = 100

Step 5: Take square root on both sides

x = ±10

Step 6: Arrange

-10 < 10

So x = -10, 10