Answer:
+ 16
Step-by-step explanation:
x² - 8x = - 10
to complete the square
add ( half the coefficient of the x- term )² to both sides
x² + 2(- 4)x + (- 4) = - 10 + (- 4)²
x² - 8x + 16 = - 10 + 16
thus 16 is added to both sides to complete the square
Answer:
-25
Step-by-step explanation:
Step 1: 2-9-5-3-2-
Step 2: 2-9-5-3-2-8
Step 3: -25
Yes, the student's theory is correct, because the survey shows that the seventh graders spend more time playing games on the weekend than the eighth graders.
(-2.3)*4.7 would be equal to -10.81
Answer:
A)6x-18, B)They are not equal, since 6xx18 is not equal to 6x-9
Step-by-step explanation:
2(3x-9) = 2(3x)-2(9) =6x-18.
