Use a grapher to find the vertex, rounding to the nearest hundredth when necessary.f(x) = x2 + x - 4
A. (0.5, -3.75)
B. (-0.5, -4.25)
C. (0.5, -4.25)
D. (-0.5, -4)
Answer: B
Mathematics
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Solve using the addition and multiplication principles together.-6x + 6(2x - 6) = -26 - 4x
A. 1
B. - 
C. - 31
D. - 1
Mathematics
Rationalize the numerator of the fraction.
A. 
B. 
C. 
D. 
Mathematics
For the given function, find the rate of change.y = 3x + 6
A. -6 B. -3 C. 3 D. 6
Mathematics
Solve the problem.Joe has a collection of nickels and dimes that is worth $8.20. If the number of dimes were doubled and the number of nickels were increased by 10, the value of the coins would be $14.20. How many dimes does he have?
A. 27 dimes B. 54 dimes C. 10 dimes D. 55 dimes
Mathematics