(1,6)

(3,-2)

WEEK 25Thursday, Feb 13,2014

Find your test key under Week 25 (ALG10.0_testkey). Show your work on a half piece of paper.

10 Mins

Algebra1- 6.0: Students graph a linear equation and compute the x- and y- intercepts (e.g., graph 2x + 6y = 4).

Huskies will be able to identify the x and y intercept from standard form.

Ax + By = C

Ax + By = C

Graph 4x – 2y = 12

Graph 4x – 2y = 12

4x – 2y = 12

Graph 4x – 2y = 12

4x – 2y = 12-4x –4x

Graph 4x – 2y = 12

4x – 2y = 12-4x –4x –2y = -4x + 12

Graph 4x – 2y = 12

4x – 2y = 12-4x –4x –2y = -4x + 12-2 –2 -2

Graph 4x – 2y = 12

4x – 2y = 12-4x –4x –2y = -4x + 12-2 –2 -2

y = 2x - 6

Graph 4x – 2y = 12

4x – 2y = 12-4x –4x –2y = -4x + 12-2 –2 -2

y = 2x - 6

Graph 4x – 2y = 12

4x – 2y = 12-4x –4x –2y = -4x + 12-2 –2 -2

y = 2x - 6

Graph 4x – 2y = 12

4x – 2y = 12-4x –4x –2y = -4x + 12-2 –2 -2

y = 2x - 6

Graph 4x – 2y = 12

4x – 2y = 12-4x –4x –2y = -4x + 12-2 –2 -2

y = 2x - 6

Graph 4x – 2y = 12

4x – 2y = 12-4x –4x –2y = -4x + 12-2 –2 -2

y = 2x - 6

Graph 4x – 2y = 12

4x – 2y = 12-4x –4x –2y = -4x + 12-2 –2 -2

y = 2x - 6

Graph 4x – 2y = 12

4x – 2y = 12-4x –4x –2y = -4x + 12-2 –2 -2

y = 2x - 6

Graph 4x – 2y = 12

4x – 2y = 12-4x –4x –2y = -4x + 12-2 –2 -2

y = 2x - 6

Where does the line cross the y-axis?

Graph 4x – 2y = 12

4x – 2y = 12-4x –4x –2y = -4x + 12-2 –2 -2

y = 2x - 6

Where does the line cross the y-axis?

Graph 4x – 2y = 12

4x – 2y = 12-4x –4x –2y = -4x + 12-2 –2 -2

y = 2x - 6

Where does the line cross the y-axis?

(0, -6)

Graph 4x – 2y = 12

4x – 2y = 12-4x –4x –2y = -4x + 12-2 –2 -2

y = 2x - 6

Where does the line cross the y-axis?

(0, -6)

What is the value of x when it crosses the y-axis?

Graph 4x – 2y = 12

4x – 2y = 12-4x –4x –2y = -4x + 12-2 –2 -2

y = 2x - 6

Where does the line cross the y-axis?

(0, -6)

What is the value of x when it crosses the y-axis?

x = 0

Graph 4x – 2y = 12

Where does the line cross the x-axis?

Graph 4x – 2y = 12

Where does the line cross the x-axis?

(3,0)

Graph 4x – 2y = 12

Where does the line cross the x-axis?

(3,0) What is the value of y when it crosses the x-axis?

Graph 4x – 2y = 12

Where does the line cross the x-axis?

(3,0) What is the value of y when it crosses the x-axis?

y = 0

Find the x & y-intercepts of 4x – 2y = 12

Find the x & y-intercepts of 4x – 2y = 12

x = 0 y = 0y-intercept

x-intercept

Find the x & y-intercepts of 4x – 2y = 12

x = 0 y = 0y-intercept

x-intercept

4(0) – 2y = 12

Find the x & y-intercepts of 4x – 2y = 12

x = 0 y = 0y-intercept

x-intercept

4(0) – 2y = 12 -2y = 12

Find the x & y-intercepts of 4x – 2y = 12

x = 0 y = 0y-intercept

x-intercept

4(0) – 2y = 12 -2y = 12 y = -6

Find the x & y-intercepts of 4x – 2y = 12

x = 0 y = 0y-intercept

x-intercept

4(0) – 2y = 12 -2y = 12 y = -6

Find the x & y-intercepts of 4x – 2y = 12

x = 0 y = 0y-intercept

x-intercept

4(0) – 2y = 12 -2y = 12 y = -6

4x – 2(0) = 12

Find the x & y-intercepts of 4x – 2y = 12

x = 0 y = 0y-intercept

x-intercept

4(0) – 2y = 12 -2y = 12 y = -6

4x – 2(0) = 12 4x = 12

Find the x & y-intercepts of 4x – 2y = 12

x = 0 y = 0y-intercept

x-intercept

4(0) – 2y = 12 -2y = 12 y = -6

4x – 2(0) = 12 4x = 12 x = 3

Find the x & y-intercepts of 4x – 2y = 12

x = 0 y = 0y-intercept

x-intercept

4(0) – 2y = 12 -2y = 12 y = -6

4x – 2(0) = 12 4x = 12 x = 3

Find the x & y-intercepts of 4x – 2y = 12

y-intercept

x-intercept

Find the x & y-intercepts of 4x – 2y = 12

y-intercept

x-intercept

Find the x & y-intercepts of 3x + 6y = 24 and then graph the line.

Find the x & y-intercepts of 3x + 6y = 24 and then graph the line. x = 0

y-intercept

3(0) + 6y = 24 6y = 24 y = 4

y = 0x-intercept

3x + 6(0) = 24 3x = 24 x = 8

(0, 4)

(8,0)

y =

2x

+ 3

y =

2x - 5

y =

2x

+ 5

y =

2x

+ 1Coplanar

lines that never intersect.

Parallel (//) lines have the

slope.

What is the slope of the line // to y = -3x + 5?

What is the slope of the line // to y = -3x + 5? m// = -3

What is the slope of the line // to y = -3x + 5? m// = -3

What is the slope of the line // to x – 2y = 4?

What is the slope of the line // to y = -3x + 5? m// = -3

What is the slope of the line // to x – 2y = 4? y = x – 2

12

What is the slope of the line // to y = -3x + 5? m// = -3

What is the slope of the line // to x – 2y = 4? y = x – 2

12

m// = 12

Are the lines y = x + 6 and 2x – 6y = 30 //?

13

Are the lines y = x + 6 and 2x – 6y = 30 //?

13

-6y = -2x + 30

Are the lines y = x + 6 and 2x – 6y = 30 //?

13

-6y = -2x + 30

y = x - 5 13

Are the lines y = x + 6 and 2x – 6y = 30 //?

13

-6y = -2x + 30

y = x - 5 13 y = x + 6

13

Are the lines y = x + 6 and 2x – 6y = 30 //?

13

-6y = -2x + 30

y = x - 5 13 y = x + 6

13

Station Overview ≈ 20 mins

Collaborative Station- HOMEWORK TIME!!! (if you finish the worksheet…move on to the extra worksheet practice

Direct Station-Practice Problems with Ms. Ahumibe

Prior Knowledge Box (PKB)

Topic: Graphs Misconceptions

What did you think you knew but you found out was a misconception? If you didn’t have any prior knowledge, what did you learn/ review today?

Exit Slip- Intercepts and // lines

• Name• Date

• Period

Find your key under week 25 AlG6and8_test key

Agenda

Homework- Did you hear about…(worksheet)Bring a white board marker

(DUE: P.1,3,5- Mondays and Thursday. P.2,4,6- Tuesdays and Fridays)