Solve the equation by completing the square.8x2 - 3x + 1 = 0
A. 
B. 
C. 
D. 
Answer: D
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Find the x-intercepts for the parabola whose equation is given. If the x-intercepts are irrational, round your answers to the nearest tenth.y = 2x2 + 2x - 144
A. x-intercepts (-8, 0) and (-9, 0) B. x-intercepts (8, 0) and (9, 0) C. x-intercepts (8, 0) and (-9, 0) D. x-intercepts (-8, 0) and (9, 0)
Express the following logarithm as specified.ln 216 in terms of ln 2 and ln 3
A. 6 ln 2 B. 3 ln 2 + 3 ln 3 C. -3 ln 2 - 3 ln 3 D. 3 ln 2 - 3 ln 3
Simplify the algebraic expression by collecting and combining like terms.
x + 
y - 
x - 
y + 4
A. 
x + 
y + 4
B. 
x + 
y + 4
C. 
x + 
y + 4
D. 
x + 
y + 4
Translate the problem to a system of equations, then solve using matrices.Carole's car averages 13.2 mi/gal in city driving and 25.8 mi/gal in highway driving. If she drove a total of 518.4 mi on 24 gal of gas, how many of the gallons were used for city driving?
A. 10 gal B. 8 gal C. 16 gal D. 21 gal