Fill in the blank with one of the words or phrases listed below.
Two numbers whose product is 1 are called 
.
A. opposites
B. reciprocals
C. the same
D. reversed
Answer: B
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Solve the compound inequality. Other than ?, use interval notation to express the solution set and graph the solution set on a number line.11 ? 
x + 8 < 23
A. [2, 3)
B. (2, 10]
C. (2, 3]
D. [2, 10)
Use the substitution method or the elimination method to solve the system. If the system has infinitely many solutions, express the ordered pair in terms of x or y.2x + 6y = 62x + 2y = 18
A. ( -12, 2) B. (12, -3) C. (-3, 12) D. (-12, 6)
Find the x-intercepts of the polynomial function. State whether the graph crosses the x-axis, or touches the x-axis and turns around, at each intercept. f(x) = -x3(x + 4)2(x - 7)
A. 0, touches the x-axis and turns around; -4, touches the x-axis and turns around; 7, crosses the x-axis B. 0, crosses the x-axis; 4, touches the x-axis and turns around; -7, crosses the x-axis C. 0, crosses the x-axis; -4, touches the x-axis and turns around; 7, crosses the x-axis D. 0, touches the x-axis and turns around; 4, crosses the x-axis; 7, crosses the x-axis
Use the given triangles to evaluate the expression. Rationalize all denominators. 
csc 
sin 
- tan 
A. 
B. 2 - 
C. 
D. 1 - 