91Ó°ÊÓ

Graph each pair of equations on the same coordinate plane. $$ y=4 x-1, y=x $$

Write an equation for each line. Then graph the line. \(m=-\frac{3}{2},\) through \((0,-1)\)

Find the slope of each line. $$ 0.1 y=0.5 x+0.1 $$

Solve each equation. $$ 13 c-26=91 $$

Solve each equation. $$ 7(b+3)-18(1-b)=103 $$

Geometry Prove that the triangle with vertices \((3,5),(-2,6),\) and \((1,3)\) is a right triangle.

The point \((-8, k)\) is on the line with slope \(-\frac{5}{8}\) and \(y\) -intercept \(9 .\) Explain how to find \(k .\)

Identify each demonstrated property (or properties) of real numbers. $$ 21+19.7-19.7=21 $$