Solve.6x - y + 8z = 526x + 9y - 3z = 576x - 4y + z = -1
A. (-3, 6, 5)
B. (3, 6, 5)
C. (-3, 6, 6)
D. (3, 5, 6)
Answer: B
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Sketch the graph of the quadratic function. Identify the vertex, intercepts, and the equation for the axis of symmetry.f(x) = 10 + 7x + x2 
A. vertex: 
x-intercepts: (2, 0) and (5, 0)
y-intercept: (0, 10)
axis of symmetry: x = 
B. vertex: 
x-intercepts: (-2, 0) and (-5, 0)
y-intercept: (0, 10)
axis of symmetry: x = - 
C. vertex: 
x-intercepts: (2, 0) and (5, 0)
y-intercept: (0, 10)
axis of symmetry: x = - 
D. vertex: 
x-intercepts: (-2, 0) and (-5, 0)
y-intercept: (0, 10)
axis of symmetry: x = 
Solve the problem.Which of the two rates would yield the larger amount in 1 year: 9% compounded monthly or 9
% compounded annually?
A. 9% compounded monthly
B. 9
% compounded annually
C. They will yield the same amount.
Graph.x2 + (y - 5)2 = 16
A. 
B. 
C. 
D. 
Some primes are 1 more than a square. For example, 5 = 2 2 + 1. Can you find any other primes p so that p = n2 + 1? ?
A. 2, 5, 7, ... B. 3, 4, 17, ... C. 13, 17, 65,... D. 3, 7, 17,... E. 5, 17, 37, ...