Multiply.2x(-3x + 10)
A. -6x2 + 20x
B. -6x2 + 10x
C. 14x2
D. -3x2 + 20x
Answer: A
Mathematics
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Add or subtract by first simplifying each radical and then combining any like radicals. Assume that all variables represent positive numbers.
+ 
+ 
+ 4
A. 17
+ 14
B. 17
+ 20
C. 145
+ 160
D. 37
Mathematics
Solve the quadratic equation. x2 = x + 6
A. {-2, -3} B. {-2, 3} C. {1, 6} D. {2, 3}
Mathematics
Write the equation of the line in slope-intercept form.m = - 
, y-intercept (0, 6)
A. y = 
x + 6
B. y = - 
x - 6
C. y = - 
x + 6
D. y = 
x - 6
Mathematics
Solve the problem. Use 3.14 for ?.A semicircular driveway has a diameter of 60 ft. How long is the driveway?
A. 188.4 ft B. 600 ft C. 94.2 ft D. 92.2 ft
Mathematics