1. Non-proportional Linear Equations – Day 2 Slope/Intercept form

2. How to get an equation from a table y = mx ± b
Will be add or subtract – don’t know yet
Find the slope
Find the y-intercept
Put it in the format y = _____x ± _______ x -6 -4 -2 y 4 8 12 16

3. How to get an equation from a table y = mx + b
Find the slope
Find the y-intercept
Put it in the format y = _____x ± _______ 2
Find the Slope (m) = Find the Rate of Change (CROC) Δ𝑦 Δ𝑥
4 2 x -6 -4 -2 y 4 8 12 16

4. How to get an equation from a table y = mx + b
Find the slope
Find the y-intercept
Put it in the format y = _____x + _______ 16 2
Find the y-intercept – look for the ordered pair that has 0 as the x coordinate – that’s your y-intercept x -6 -4 -2 y 4 8 12 16

5. y = 2x + 16 Test your equation (2)(-6) + 16 = 4 (2)(-4) + 16 = 8-2 y 4 8 12 16
Test your equation
(2)(-6) + 16 = 4
(2)(-4) + 16 = 8
(2)(-2) + 16 = 12

6. −4 3 Find the slope Find the y-intercept
Put it in the format y = _____x ± _______
−4 3
Find the Slope (m) = Find the Rate of Change (CROC) Δ𝑦 Δ𝑥 x -3 3 6 y 2 -2 -6
-10

7. −4 3 2 Find the slope Find the y-intercept
Put it in the format y = _____x - _______
−4 3 2
Find the y-intercept – look for the ordered pair that has 0 as the x coordinate – that’s your y-intercept x -3 3 6 y 2 -2 -6
-10

8. y = −4 3 x - 2 Test your equation ( −4 3 )(-3) - 2= 23 6 y 2 -2 -6
-10
Test your equation
( −4 3 )(-3) - 2= 2
( −4 3 )(0) - 2= -2

9. 7 Find the slope Find the y-intercept
Put it in the format y = _____x ± _______ 7
Find the Slope (m) = Find the Rate of Change (CROC) Δ𝑦 Δ𝑥 x y 1 8 2 15 3 22 4 29

10. 7 Find the slope Find the y-intercept
Put it in the format y = _____x ± _______ 7
Find the y-intercept – look for the ordered pair that has 0 as the x coordinate – that’s your y-intercept x y 1 8 2 15 3 22 4 29

11. Put it in the format y = _____x ± _______
Find the slope
Find the y-intercept
Put it in the format y = _____x ± _______
Find the y-intercept – look for the ordered pair that has 0 as the x coordinate – that’s your y-intercept x y 1 8 2 15 3 22 4 29

12. 7 Find the slope Find the y-intercept
Put it in the format y = _____x ± _______ 7
Find the y-intercept – look for the ordered pair that has 0 as the x coordinate – that’s your y-intercept x y 1 8 2 15 3 22 4 29

13. 7 1 Find the slope Find the y-intercept
Put it in the format y = _____x ± _______ 7
Find the y-intercept – look for the ordered pair that has 0 as the x coordinate – that’s your y-intercept
Keep going backward in the ordered pairs until you get 0 in the x spot 1 8 2 15 3 22 4 29

14. 7 1 1 Find the slope Find the y-intercept
Put it in the format y = _____x + _______ 7 1
Find the y-intercept – look for the ordered pair that has 0 as the x coordinate – that’s your y-intercept 1 8 2 15 3 22 4 29

15. y = 7x + 1
(7)(1) + 1 = 8
(7)(2) + 1 = 15 x y 1 8 2 15 3 22 4 29

16. y = 7x + 1
(7)(1) + 1 = 8
(7)(2) + 1 = 15