What is the product of the polynomials below? (4x^2-2x-4)(2x+4)
1 answer:
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Answer:
300,000 is bigger
Step-by-step explanation:
10 x 40 = 400
18 x 40 = 720
400 x 720 = 288,000 (area of the bedroom)
300,000 is bigger by 12,000
(so the kitchen is bigger)
Answer:
36
Step-by-step explanation:
The maximum height is the y-coordinate of the vertex
given a quadratic in standard form : ax² + bx + c : a ≠ 0
then the x-coordinate of the vertex is
= -
y = - x² + 20x - 64 is in standard form
with a = - 1, b = 20 and c = - 64, hence
= -
= 10
substitute x = 10 into the equation for y
y = - (10)² + 20(10) - 64 = 36 ← max height