For the given equation, do the following:(a) Simplify the expression on each side of the equal sign. (b) See if 5 is a solution to both the given equation and the equation formed in part (a).x2 + 3x2 = 12x + 8x
A. (a) 4x2 = 25x; (b) 5 only checks in the given equation.
B. (a) 4x2 = 20x; (b) 5 does not check in either equation.
C. (a) 3x2 = 20x; (b) 5 only checks in the given equation.
D. (a) 4x2 = 20x; (b) 5 checks in both equations.
Answer: D
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Find the inverse of the function and state its domain and range .{(-9, -3), (3, 9), (-1, 6), (1, -6)}
A. {(-6, -1), (-1, 3), (-3, -9), (6, 1)}; D = {-6, -1, -3, 6}; R = {-1, 3, -9, 1}
B. {(-6, -1), (9, 3), (-3, 3), (6, 1)}; D = {(-6, 9, -3, 6}; R = {-1, 3, 1}
C. {(-3, -9), (9, 3), (6, -1), (-6, 1)} D = {-3, 9, 6, -6}; R = {-9, 3, -1, 1}
D. 
D = { -9, 3, -1, 1}, R = 
Add.7760 + 105 + 6
A. 7971 B. 7856 C. 7881 D. 7871
Find the slope of the line through the given pair of points.(6, -5) and (6, 4)
A. - 
B. - 
C. 0
D. undefined
Solve the system of equations (only real solutions) by the elimination method. Check your solutions.
A. {(0, 3), (0, -3), (-6, 3), (-6, -3)} B. {(0, 3), (0, -3), (6, 3), (-6, -3)} C. {(0, 3), (0, -3), (-6, 3), (6, -3)} D. {(0, 3), (0, -3), (6, 3), (6, -3)}