Solve by the quadratic formula. If there are no real roots, say so.3x2 + 9x = -3
A. x = 
B. x = 
C. x = 
D. x = 
Answer: B
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Solve the problem. Round to the nearest cent.In order to make some home improvements, a home owner spent $20,000. He paid 18% as a down payment and financed the balance of the purchase with a 
fixed installment loan with an APR of 
What is the home owner's monthly payment? How much will the home owner pay in interest?
A. Monthly payment = $482.52; Interest paid = $970.88 B. Monthly payment = $533.82; Interest paid = $2817.52 C. Monthly payment = $626.72; Interest paid = $2562.00 D. Monthly payment = $487.85; Interest paid = $1162.60
Graph the function.f(x) = 
x - 3
A. 
B. 
C. 
D. 
Solve.Suppose that y varies inversely as the square of x. If x is halved, what is the effect on y?
A. y is multiplied by 
B. y is multiplied by 4
C. y is multiplied by 
D. y is multiplied by 2
Write the complex number in standard form. ? -4i + i2 ?
A. ?-1 + 4i B. ?-1 + 7i C. ?1 + 4i D. ?1 - 4i E. ?-1 - 4i