Which of the following lines is perpendicular yo the line y=2/3-4 y=-3/2x-4
y=-3/2x+1
y--2x-12
y=2/3+4

5,600 x 10^3 = a) 560 b) 5,000,600 c) 5,600,000 d) 56,000

If y varies directly as x2 and y=6 when x=6, find the constant of variation.

3questions show how you solved the problem 1. subtract & simplify (–y2 – 4y – 8) – (–4y2 – 6y + 3) 2.multiply and simplify 2x2y3z2 · 4xy4x2 3.multiply and simplify (x – 4) (x2 – 5x – 6)