Answer:
- 8
Step-by-step explanation:
Given
x² - 64 = 0 ( add 64 to both sides )
x² = 64 ( take the square root of both sides )
x = ± = ± 8
Solutions are x = 8 and x = - 8
Answer is B
hope this help .........
Answer:
1725
Step-by-step explanation:
Answer:
A. No
Step-by-step explanation:
the point (2, 9) means x = 2 and y = 9.
plug this into the equation:
9 = -5 * 2 + 1
9 = -10 + 1
9 = -9
Not true, this is not a solution