Factor the polynomial completely using the grouping method.5x2 + 7x - 24
A. (x - 3)(5x + 8)
B. prime
C. (x + 3)(5x - 8)
D. (x - 8)(5x + 3)
Answer: C
Mathematics
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Find the inverse of the relation.{(8, -7), (12, -7), (-9, 20)}
A. {(-7, 8), (-7, 12), (20, -9)} B. {(-7, 8), (15, 12), (20, -9)} C. {(8, 15), (8, 12), (20, -9)} D. {(-7, 8), (-9, 12), (20, 15)}
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Name the property illustrated by the sentence.-1 + 1 = 0
A. Associative property of addition B. Commutative property of addition C. Additive identity property D. Additive inverse property
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Solve.4x + 2y - 3z = 72x + 4y + z = 356x + 2y - 2z = 20
A. 
B. 
C. 
D. 
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