Determine, without graphing, whether the given quadratic function has a maximum value or a minimum value and then find that value.f(x) = x2 - 7
A. minimum; 0
B. maximum; 0
C. minimum; -7
D. maximum; -7
Answer: C
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Find the indicated term.3, -9, 27, . . . ; the 10th term
A. -19,683 B. 177,147 C. -59,049 D. -531,441
Factor the trinomial, or state that the trinomial is prime.10z2 + 9z - 9
A. prime B. (2z - 3)(5z + 3) C. (10z + 3)(z - 3) D. (2z + 3)(5z - 3)
Find the intercepts of the circle. Round to the nearest hundredth, when necessary.(x + 4)2 + (y - 2)2 = 28
A. The two x-intercepts are x ? 1.66 and x ? -9.66, and the two y-intercepts are y ? 8.63 and y ? -4.63. B. The two x-intercepts are x ? 8.9 and x ? -0.9, and the two y-intercepts are y ? 1.46 and y ? -5.46. C. There are no intercepts. D. The two x-intercepts are x ? 0.9 and x ? -8.9, and the two y-intercepts are y ? 5.46 and y ? -1.46.
Determine if the graph is symmetric with respect to x-axis, y-axis, and/or the origin.
A. origin B. x-axis C. no symmetry D. y-axis