Unit 5 - Analytic Geometry Equation Of A Line In 'Slope Y-Intercept' Form Worksheet Page 5
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31Identifying ��
MPM1D1
Unit 5 – Analytic Geometry
Mr. Kwok
②
and b
from a graph
y
Question #4
10
a) State the slope.
8
6
4
2
-10
-8
-6
-4
-2
2
4
6
8
10
x
-2
b) State the y-intercept.
-4
c) What is the equation of the line in �� = ���� + �� form?
-6
-8
-10
IDENTIFYING
m
AND
b
ALGEBRAICALLY
Step 1:
Identify 2 ‘clean’ points
Step 2:
Find slope by substituting the 2 points into the slope formula
Step 3:
Update line equation with slope
Step 3:
Find y-intercept by substituting one of the points into line equation
Day 1
Page 5
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