Evaluate the expression for the given values of the variables.
for x = 
, y = - 
A. - 
B. - 
C. - 
D. - 
Answer: A
Mathematics
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Solve the quadratic equation by completing the square.3x2 - 6x = 45
A. -15, 1 B. -3, 15 C. 3, -5 D. -3, 5
Mathematics
Use the laws of exponents to simplify each expression using positive exponents only. Assume all variables represent nonzero real numbers.x5 x-2
A. -x3
B. x3
C. - 
D. 
Mathematics
Write the equation of the line with the given slope and y-intercept.slope 7;y-intercept (0, -5)
A. y = -5x + 7 B. y = 5x + 7 C. y = 7x + 5 D. y = 7x - 5
Mathematics
Solve.
+ 7 = 5
A. -13
B. - 
C. - 4
D. 
Mathematics