exam Maths Puzzle Numerical Ability

Solve by using the quadratic formula...
1. 2x^2-7x=5
2. x^2+10x+16=0
3. x^2=x+4

Find the axis of symmetry...
1. y=x^2-7x+2

Solve by completing the square..
1. x^2-4x+4=0

Read Solution (Total 0)

exam Other Question

Let z be the parameter.
7x + 3y + 5z = 0
3x + y + 2z = 0
PLease Explain! A 6000 lb suv is being winched up a ramp onto a flat bed trailer. If the ramp is at a 25 degree angle, how much force will be required by the winch to pull the suv up the ramp? round to the nearest pound.