Solve and check your solution(s). If the equation has no real solution, so state.
= -5
A. 25
B. 20
C. 30
D. no real solution
Answer: D
Mathematics
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Perform the indicated operation. Simplify, if possible.
+ 
- 
A. 
B. 
C. 
D. 
Mathematics
Find the x- and y-intercepts. If no x-intercepts exist, state so.y = -x2 + 19x - 90
A. No x-intercepts, (0, 9) B. (9, 0), (10, 0), (0, -90) C. (9, 0), (10, 0), (0, 9) D. (-9, 0), (-10, 0), (0, -90)
Mathematics
Find the dimension of the matrix. Tell if the matrix is a square, column, or row matrix, when applicable.[7]
A. 1 × 1; square, row, column B. 0 C. 1; square D. 0 × 0; square, row, column
Mathematics
Use the graph of the rational function f(x) to complete the statement.As x?-?, f(x)? 
. 
A. -2 B. -? C. +? D. 2
Mathematics