book Maths Puzzle Numerical Ability

Give the coordinates of the vertex.

7) y = (x - 2)^2

A) ( -2, 0)

B) (0, -2)

C) (0, 2)

D) ( 2, 0)

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book Other Question

Hello,

I need help with a few problems i cant seem to work out for homework.

1:Solve for x: 9^x=3
2:Solve for x: 2^9x^-4=32
3:Solve for x: log10^7=log10x-log10^2

Thanks please help me solve this problem: convert 37&1/2 to a reduced fraction. (The answers are...3/6,3/8.75/2, or none of these.)