exam Maths Puzzle Numerical Ability

Solve by factoring.

4x 2nd power - 1 = 0

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exam Other Question

i dont know how to figure out this parallel and perpindicual lines thing i have. the question on my paper sais: write an eqation for the line that is parallel to y=5x+1 and passes through the point (2,-3) 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