Use a graphing calculator to sketch the graph of the quadratic equation, and then give the coordinates for the x-intercepts (if they exist).y = x2 + 10x + 24
A. (4, 0); (6, 0)
B. (-4, 0); (6, 0)
C. (-4, 0); (-6, 0)
D. (4, 0); (-6, 0)
Answer: C
Mathematics
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Find the exact value using a double-angle identity.sin(480°)
A. - 
B. 
C. -1
D. 
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Solve the problem.Evaluate 
at (x, y, z) = (4, 2, 3) for the function u(p, q, r) = p2q2 - r; p = y - z, 
A. 56 B. 112 C. -84 D. 224
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Find the product.[(t2 - 1) + 6]2
A. -t4 + 10t2 - 25 B. t4 + 10t2 + 25 C. t4 + 14t2 + 25 D. t4 + 10t2 - 25
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Find the slope of the line through the pair of points.(-7, 3) and (2, 3)
A. -9 B. Undefined C. 0 D. 9
Mathematics