State the phrase as a mathematical expression. Use x to represent the variable.The quotient of a number and four
A. 4 - x
B. 4x
C. 4 + x
D. 
Answer: D
Mathematics
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Factor completely. If the polynomial is prime, state so.25x2 - 49
A. (5x + 7)(5x - 7) B. prime C. (5x + 7)2 D. (5x - 7)2
Mathematics
Simplify the given expression using the definition for negative exponents. Assume that all variables represent nonzero numbers.x-2
A. 
B. x2
C. 
D. 2x
Mathematics
Clear fractions then solve by substitution.
x + 
y = 2
x - 
y = - 2
A. {(-2, 10)} B. {(1, 10)} C. {(-1, 9)} D. ?
Mathematics
Solve the system of equations (only real solutions) by the elimination method. Check your solutions.
A. {(-
, 5), (0, 6)}
B. {(0, 6), (
, 5)}
C. {(0, -6), (
, 5)}
D. {(-
, 5), (0, -6), (
, 5)}
Mathematics