Write the expression in simplest form. If a radical appears in the denominator, rationalize the denominator.
A. 7y
B. 7y2
C. 7
D. 7
Answer: A
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Evaluate the expression.(-7)2
A. -14 B. -49 C. 14 D. 49
Solve the problem.The BBQ committee always orders one pound of ribs for each person who signs up for the Homecoming BBQ, plus 11 extra pounds of ribs. If the committee ordered 120 pounds of ribs this year, find the number of people who signed up for the BBQ.
A. 11 people B. 109 people C. 131 people D. 120 people
Determine whether the graph is that of a function. If it is, use the graph to find its domain and range, the intercepts, if any, and any symmetry with respect to the x-axis, the y-axis, or the origin.
A. function domain: {x|-6 ? x ? 6} range: {y|-6 ? y ? 6} intercepts: (-6, 0), (0, -6), (0, 0), (0, 6), (6, 0) symmetry: origin B. function domain: {x|-6 ? x ? 6} range: {y|-6 ? y ? 6} intercepts: (-6, 0), (0, -6), (0, 6), (6, 0) symmetry: x-axis, y-axis C. function domain: {x|-6 ? x ? 6} range: {y|-6 ? y ? 6} intercepts: (-6, 0), (0, -6), (0, 6), (6, 0) symmetry: x-axis, y-axis, origin D. not a function
Graph the compound inequality.2x + y ? 4 and x - 1 > 0
A. 
B. 
C. 
D. 