3 What is the mathematical phrase of 12 more than five times a number
A 5n + 12
B. 5 + 12n
C. 12 - 5n
D.5n - 12
4. What is the numerical coefficient of the term -`
A -1
B.x
C. 2 D.-x
5 What is the literal coefficient of the term - x2?
A -1
B.x2
C. 2
D. -x
6. What is the degree of the given polynomial 6x2 + 5x + 1?
A. 4
B. 2
C. 3
D. 1
7. Ifx=5 and y = -2, what is the value of x2 + 3y?
A-31
B. -19
C 19
D. 31
8. If a =5 and b =7,what is the value of 2a-5b?
a.15
b.-15
c.25
d.-25
9.what is value of 2x/y if x=4 and y=2?
A.1
B.2
C.3
D.4​