Multiply.[x + (y + 6)][x - (y + 6)]
A. x2 + 12x - 12y + y2 - 36
B. x2 + 2xy + y2 - 36
C. x2 - 2xy - 12y - y2 + 36
D. x2 - y 2 - 12y - 36
Answer: D
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A. 223° B. 313° C. 43° D. 47°
Solve the problem.Two cars leave an intersection. One car travels north; the other east. When the car traveling north had gone 15 miles, the distance between the cars was 5 miles more than the distance traveled by the car heading east. How far had the eastbound car traveled?
A. 20 mi B. 25 mi C. 30 mi D. 15 mi
Find the equation of the axis of symmetry of the parabola.y = -3x2 + 6x - 9
A. x = 2 B. x = - 1 C. x = 1 D. x = 6
Use factoring to find the zeros of the quadratic function. List the x-intercepts of the graph of the function.f(x) = x2 - 3x - 10
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