Solve the equation.
= 1 + 
A. ?
B. x = 8 or -10
C. x = -8 or 10
D. x = -20 or 10
Answer: B
Mathematics
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A. 2.5 cm2 B. 1.3 cm2 C. 2.3 cm2 D. 2.7 cm2
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Find the indicated term for the geometric sequence with first term, a1, and common ratio, r.Find a5, when a1 = 7, r = -3.
A. -1701 B. 567 C. -567 D. 81
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Factor the trinomial completely.80z6 + 92z4 + 24z2
A. 4z2(4z2 + 3)(5z2 + 2) B. 4z2(5z2 - 2)(4z2 - 3) C. 4(4z4 + 3)(5z2 + 2) D. (16z3 + 12)(5z3 + 2)
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Determine whether b is in the column space of A.A = 
, b = 
A. Yes B. No
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