Solve the equation by factoring.x2 + 2x - 80 = 0
A. {-10, 8}
B. {10, 8}
C. {10, -8}
D. {-10, 1}
Answer: A
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Find the product.(-7y)(-5y8)
A. -35y9 B. -12y8 C. 7y - 5y8 D. 35y9
List all of the Hamilton circuits for the graph that start with the indicated vertices.
Starting D ? A ? B
A. D ? A ? B ? C ? E D ? A ? B ? E ? C B. D ? A ? B ? C ? E ? D D ? A ? B ? E ? C ? D C. D ? A ? B ? E ? C D. D ? A ? B ? C ? E ? D D ? A ? B ? E ? C ? D D ? A ? B ? D ? C ? E D ? A ? B ? D ? E ? C
Solve the problem.The fineness (purity) of gold is regulated by law and is the same in all parts of the world. The purity is stated in terms of karats. 18-kt gold is 18 parts gold and 6 parts alloy. Write this measure of purity as a fraction in lowest terms.
A. 
B. 
C. 
D. 3
Determine whether the functions f and g are inverses of each other.f(x) = 7x + 6; g(x) = 
A. Yes B. No