Solve the equation for the indicated variable. Assume that the dimensions are such that matrix multiplication and addition are possible and that inverses exist when needed.Solve for C: CZ = Y
A. C = YZ-1
B. C = ZY-1
C. C = Z-1Y
D. C = Y/Z
Answer: A
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Solve the problem.A pier 1250 meters long extends at an angle from the shoreline. A surveyor walks to a point 1500 meters down the shoreline from the pier and measures the angle formed by the ends of the pier. If is found to be 53°. What acute angle (correct to the nearest 0.1°) does the pier form with the shoreline? Is there more than one possibility? If so, how can we know which is the correct one?
What will be an ideal response?
Use the quadratic formula to solve the given equation.x2 + x + 6 = 0
A. 
B. 
C. 
D. 
Find the zeros of the quadratic function by completing the square. List the x-intercepts of the graph of the function.g(x) = 25x2 + 30x + 8
A. x = 
, x = 
B. x = - 
, x = - 
C. x = - 
, x = - 
D. x = - 
, x = 
Solve the problem.Find the slope, m1, of line l1, where 6 = m2 is the slope of line l2 and ? = 45° is the smallest positive angle from l1 to l2.
A. 1
B. 
C. 
D. 