The rectangular coordinates of a point are given. Find polar coordinates of the point. Express ? in radians.(-4, 0)
A. 
B. 
C. (4, 0)
D. (4, ?)
Answer: D
Mathematics
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Solve the inequality and write the solution set using interval notation; then graph the solution set on a number line. s2 - 3s - 18 < 0
A. (-3, 6)
B. (6, ?)
C. (-?, -3)
D. (-?, -3) ? (6, ?)
Mathematics
Graph the quadratic function using its vertex, axis of symmetry, and intercepts.f(x) = x2 - 8x
A. vertex (-4, -16)
intercepts (0, 0), (-8, 0)
B. vertex (-4, 16)
intercept (0, 32)
C. vertex (4, 16)
intercept (0, 32)
D. vertex (4, -16)
intercepts (0, 0), (8, 0)
Mathematics
Find the product.(4x - 5)(x + 9)
A. 4x2 + 30x - 45 B. x2 + 31x + 30 C. x2 - 45x + 31 D. 4x2 + 31x - 45
Mathematics
Graph the given line.x = 5
A. 
B. 
C. 
D. 
Mathematics