Combine like terms whenever possible. Write the result with descending powers.9y7 + 7y3 - 9y2 + 8
A. Cannot be simplified
B. 9y7 + 7y3 - 9y2
C. 15y12
D. 7y12 + 8
Answer: A
You might also like to view...
Use the empirical probability formula to solve the exercise. Express the answer as a fraction. Then express the probability as a decimal, rounded to the nearest thousandth, if necessary.The table below represents a random sample of the number of deaths per 100 cases for a certain illness over time. If a person infected with this illness is randomly selected from all infected people, find the probability that the person lives 3-4 years after diagnosis.
A. 
; 0.058
B. 
; 0.538
C. 
; 0.029
D. 
; 0.35
Solve the equation.
= 
A. 
B. 
C. 
D. 
Write the equation of the circle with the given center and radius.Center (-7, 0), radius 4
A. x2 + (y - 7)2 = 4 B. (x + 7)2 + y2 = 16 C. x2 + (y + 7)2 = 4 D. (x - 7)2 + y2 = 16
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