exam Maths Puzzle Numerical Ability

Can someone help me solve this quadtratic problem:

2x2+7x+5

4+7x+5
9+7x

Read Solution (Total 0)

exam Other Question

Determine which two equations represent perpendicular lines.

(a)y=4/7x-3 (b) y=3x-4/7

(c) y=1/3x+4/7 (d) y=1/3x-4/7
y=2x+1
y=3x+1

What do you do in these. Do you graph or solve it? or both