Solve the equation using the quadratic formula.3x(x + 1) = 5
A. 4
B. 
C. 
D. 
Answer: D
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Find area of figure. Round to the nearest hundredth if necessary.Find the area of a rectangle measuring 5.8 yd by 21.41 yd.
A. 33.64 yd2 B. 248.356 yd2 C. 124.178 yd2 D. 27.21 yd2
Simplify the expression.5(w - 7) + 7
A. 5w + 42 B. 5w - 42 C. 5w - 28 D. 5w + 28
Determine whether f is a linear function. If f is linear, give the values for m and b so that f may be expressed as 
.f(x) = 
x - 2
A. Linear; m = - 
, b = 2
B. Linear; m = 7, b = 2
C. Linear; m = 
, b = -2
D. Nonlinear
Use Gaussian elimination or Gauss-Jordan elimination to solve the problem.Ellen wishes to mix candy worth $3.28 per pound with candy worth $9.01 per pound to form 26 pounds of a mixture worth $7.69 per pound. How many pounds of the more expensive candy should she use?
A. 25 lb B. 20 lb C. 6 lb D. 8 lb