Simplify the expression.
A. 6
B. 6
C. 24
D. 6
Answer: A
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Simplify.8[-7 + 8(-4 + 8)]
A. 28 B. 200 C. -24 D. 32
Name the property illustrated by the statement.x ? y = y ? x
A. commutative property of multiplication B. inverse property of multiplication C. distributive property D. associative property of multiplication
Write the given terms as like radicals, if possible. If any variables exist, assume that they are positive.
, 
, 
A. 2
, 3
, 4
B. 
, 2
, 3
C. 
, 4
, 9
D. Not possible
Use a graphing calculator to sketch the graph of the quadratic equation, and then determine the x-intervals over which the graph is increasing and decreasing.y = x2 + x + 5
A. Increasing: (x < 0.5), Decreasing: (x > 0.5) B. Increasing: (x > 0.5), Decreasing: (x < 0.5) C. Increasing: (x < -0.5), Decreasing: (x > -0.5) D. Increasing: (x > -0.5), Decreasing: (x < -0.5)