The graphing calculator screens show a system and the point of intersection. Choose the screen which best represents the given system.y = 2x - 9y = -2x + 3
A.
B.
C.
D.
Answer: D
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The polar coordinates of a point are given. Find the rectangular coordinates of the point.
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B.
C.
D.
Find the value of the expression.
A.
B.
C.
D. 1
Solve the problem.There are 3 balls in a hat; one with the number 2 on it, one with the number 4 on it, and one with the number 8 on it. You pick a ball from the hat at random and then you flip a coin. Using a tree diagram , obtain the sample space for the experiment. List the elements that make up the sample space.
A. 2 H T, 4 H T, 8 H T B. 2 H, 2 T, 4 H, 4 T, 8 H, 8 T C. 2 4 8 H, 2 4 8 T D. 2 H, 4 H, 8 H
Solve the problem.The solution set of the inequality x2 - 5x - 14 < 0 is (-2, 7). Without doing any work, give the solution to
A. (-?, -2) ? (7, ?) B. (-?, -2] ? [7, ?) C. [-2, 7] D. (-7, 2)