exam Maths Puzzle Numerical Ability

Identify the polynomials of degree one.

a. x^3+4x+8
b. 76+5x
c. (x)^1/2+5x-6
d. 500+(45)^1/2x
e. 289y+6-76y
f. (37)^1x^1
g. (9x^2)^1/2+3
h. 89x^4+3y+5

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exam Other Question

Tutor could you help me check the answer to this problem. (2xy^3)^3=

The answer that I came up with is 2x^3y^9 am I correct?

thank you very much for your time and tutoring!
y^2-12y+36=49

c^2+16c+64=15