The shapes of the horizontal cross-sections of the cylinder below are not all congruent True or false
1 answer:
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Answer:
point B
Step-by-step explanation:
isolate the x to solve for x:
=> x = 1 -
=> x =
point B=> the half of is
=>
x
=
Answer:
B
Step-by-step explanation:
x² + 9x
to complete the square
add ( half the coefficient of the x- term )² to x² + 9x
= x² + 2( )x + (
)²
= x² + 9x + ← the value of c
= (x + )² ← a perfect square