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7. what is the value of the expression of 2x – 3, if x=5?

A. -7

C. 1

B. -1

D. 7


8. If x=1 and y=-1, what is the value of the expression 3x2 – 3y2?

A. 0

C. 8

B. 6

D. 12


9. What is the value of the expression 2x+y-6, when x=-2 and y=3?

A. -7

C. 1

B. -2

D. 7


10. Evaluate:3(a + 2b), if a=5 and b=5.

A. -15

C. 25

B. 15

D. 42


11. Identify the polynomial that is equivalent to
4 – 6v – 7v2?

A. 7v2+6v-4

C. -7v2-6v+4

B. 4 + 7v2–6v

D. -7v2-4+6v


12. Which terms are similar?

i) -5x

ii) -5x2

iii) 2x

iv) 2x5

A. i and ii

C. ii and iii

B. i and iii

D. Ii and iv


13. What is the correct name of the given polynomial:
3xy2 – 4x + 3y + 9

A. monomial

C. trinomial

B. binomial

D. multi-nomial


14. Express the polynomial in standard form:
9 -8m2 + 3m – 8m3

A. -8m2 + 3m – 8m3+ 9

C. 8m3-8m2+ 3m –9

B. 3m – 8m3+ 9 -8m2

D. -8m3-8m2+ 3m –9


15. Add the polynomials.
(2x + 5y) + (– 2y + 3x)

A. 3x + 5y

C. 5x + 3y

B. 5x + 3y

D. 7xy + xy​