Solutions to Systems and Solving By Graphing Determine whether each of the following points is a solution to the given system. Justify your answer.

a) (-10,-1) y= 1/2x+4, y=4x+30
b) (2, 3/2) y= 8-x/4, y= 5/4x-1

For the quadratic function [tex]y=(x+4)^2-1[/tex] , do the following: a) rewrite the function in the standard form, b) rewrite the function in intercept form, c) find the vertex, d) find the y-intercept, e) find the x-intercepts.

Joanie watched 1 out of three of a movie in the morning

What is the next step in the given proof? choose the most logical approach. a. statement: m 1 + m 2 + 2(m 3) = 180° reason: angle addition b. statement: m 1 + m 3 = m 2 + m 3 reason: transitive property of equality c. statement: m 1 = m 2 reason: subtraction property of equality d. statement: m 1 + m 2 = m 2 + m 3 reason: substitution property of equality e. statement: 2(m 1) = m 2 + m 3 reason: substitution property of equality