Write the sum in summation notation.
- 
+ 
- . . . - 
A. 
B. 
C. 
D. 
Answer: A
Mathematics
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Complete the square for the binomial. Then factor the resulting perfect square trinomial.x2 - 6x
A. x2 - 6x + 36 = (x - 6)2 B. x2 - 6x - 9 = (x - 3)2 C. x2 - 6x + 9 = (x - 3)2 D. x2 - 6x - 36 = (x - 6)2
Mathematics
Multiply.(7y - 8)(49y2 + 56y + 64)
A. 343y3 - 512 B. 343y3 + 512 C. 343y3 + 448y2 - 512 D. 49y3 + 512
Mathematics
Translate to a system of three equations, then solve.In triangle ABC, the measure of angle B is 28° more than twice the measure of angle A. The measure of angle C is 
more than that of angle A. Find the angle measures.
A. 8°, 44°, 128° B. 12°, 52°, 116° C. 12°, 52°, 104° D. 15°, 58°, 107°
Mathematics
Identify all intercepts of the function.
?
?
A. y-intercept: 
B. y-intercept: 
C. y-intercept: 
D. y-intercept: 
E. y-intercept: 
Mathematics