Simplify the expression by combining like terms.8x + x - 4x + x
A. 4x
B. 6x
C. x2 + 4x
D. -x2 + 4x
Answer: B
Mathematics
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Solve the quadratic equation using completing the square.x2 = 20x + 100
A. no real solution
B. {10 - 10
, 10 + 10
}
C. {-10 - 10
, -10 + 10
}
D. {-30, 30}
Mathematics
x2 - 5x + 6 = 0.
Using the quadratic equation, solve for x.
Mathematics
Use the graph of a known basic function and a vertical stretch or a vertical compression to sketch the function.h(x) = 
x3
A. 
B. 
C. 
D. 
Mathematics
Solve the problem.On election day the turnout is expected to be 38%. If there are 9000 people eligible to vote, how many people will probably cast their vote?
A. 3419 B. 2250 C. 4500 D. 3420
Mathematics