1. Lesson 4­3.notebook
October 14, 2013
Assignment:
1­­>L4.3, pg. 233­234, #2­34 (evens) ­ Due Tomorrow (10/15)
2­­>Chapter 3 Test signed??
3­­>Chapter 4 Test ­ Friday (10/18)

2. Lesson 4­3.notebook
October 14, 2013
Lesson 4.3 WarmUp:
Write an equation of a line (in slope­intercept
form) with the given slope and y­intercept.
Then graph the equation.
1) slope: 5;
y­intercept: ­3
2) slope: 1/2;
y­intercept: 3
3) slope: ­3;
4) slope: ­3/5;
5) slope: 0;
y­intercept: 0
y­intercept: 5
y­intercept: ­2

3. Lesson 4­3.notebook
Lesson 4.3:
*Standard form ­­>Ax + By = C
*slope­intercept form ­­> y = mx + b
NEW ONE:
*point­slope form ­­> y ­ y1 = m (x ­ x1)
October 14, 2013

4. Lesson 4­3.notebook
October 14, 2013
Lesson 4.3 examples:
Write an equation in point­slope form for the line that passes through the given point
with the given slope. Then graph the equation.
A) (­2, 5), slope = ­6
Y
X

5. Lesson 4­3.notebook
B)
(3, ­2), slope = 1/4
October 14, 2013
Y
X

6. Lesson 4­3.notebook
Write each equation in standard form.
C) y + 2 = 7/8(x ­ 3)
D)
y ­ 1 = ­2/3(x ­ 5)
October 14, 2013

7. Lesson 4­3.notebook
October 14, 2013
Write each equation in slope­intercept form.
E) y ­ 10 = 4 (x + 6)
F)
y + 3 = ­1/3(2x + 6)