Use an integer or rational number to express the number representing change.On a cloudy day, the water temperature in the swimming pool drops 3 degrees.
A. -3
B. 3
Answer: A
Mathematics
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Find the limit.
tan x
A. 1 B. 0 C. -? D. ?
Mathematics
Fill in each blank with one of the words or phrases listed below. Some choices may be used more than once and some may not be used at all.
If x2 = a, then x = 
or x = -
. This property is called the 
property.
A. vertex B. square root C. quadratic D. completing the square
Mathematics
Factor completely using the grouping method to factor trinomials. If unfactorable, indicate that the polynomial is prime.15x3y3 + 32x2y4 + 16xy5
A. prime B. x(5xy3 + 4y4)(3x + 4y) C. xy3(5x + 4y)(3x + 4y) D. y3(5x + 4y)(3x2 + 4xy)
Mathematics
Perform the following operation.
?
?
A. 
B. ?
C. ?
D. ?
E. ?
Mathematics