Simplify the expression. If the expression cannot be simplified, so state.8(y + 7) - 5
A. 8y + 16
B. 8y + 51
C. 8y + 2
D. 15y - 5
Answer: B
Mathematics
You might also like to view...
Simplify the expression. Assume that all variables are positive when they appear.
A. -5x30 B. -5x33 C. -5x11 D. 5x11
Mathematics
Multiply. Write the answer as a mixed number as needed.4
? 5
A. 100
B. 2
C. 24
D. 20
Mathematics
Make a change of variable, x = Py, that transforms the given quadratic form into a quadratic form with no cross-product term. Give P and the new quadratic form.Q(x) = 5
+ 8
+ 4x1x2
A.
P = 
; -9
- 4
B.
P = 
; 9y1 + 4y2
C.
P = 
; 9
+ 4
D.
P = 
; 9
+ 4
Mathematics
Find the derivative of f at x. That is, find f '(x).f(x) = -4x + 20; x = 4
A. -16 B. -4 C. 20 D. 80
Mathematics