Y-Intercept
Simplifying Algebraic Expressions
Scale factor
Ratios and Proportions
Constant of Proportionality
100

  Find the slope and y-intercept:30+2x

Slope (m) = 2

Y-Intercept (b)=30

100

What is the answer for this question

x=2,y=10; x=3,y=15

k=5

100

Drawing: 2 in, Scale: 1 in = 5 ft How do we get the answer it  explains why?

We multiply 2 x 5= and get 10 ft

100

In this class it was six boys and nine girls What is the answer or the (simplified)

6:9 = 2:3 (simplified)

100

I went to the store and I got three apples and they cost $6. How many is in all?

k = 6/3 = $2 per apple

200

Find the slope and y-intercept from this table:

x:0,2.4,6

y:3,7,11,15

Slope (m) =2
Y-Intercept (b) =3

200

What is the equation that gives 3y + 9

7y - 4y + 9

200

5 cm, Scale: 4. Find new the Scale factor

5 x 4 =20 cm

200

They were playing soccer and it got 15 red and the score was 45 totally. How many in all?

15:45 = 1:3

200

What is Point (4, 20) on graph or the thing?

k = 20/4 = 5

300

Convert to slope-intercept form and find m and b: 2x+y=10

Slope (m) =-2
Y-Intercept (b) =10

300

What equation can give this 3a+7b

 4a + 2b - a + 5b

300

6 in, Actual: 18 ft. Find scale  factor

6 in : 18 ft = 1 in : 3 ft

300

How did they get the answer 3:5 = x:20  Give me the answer?

5x = 60, x = 12

300

How we can find the  x=2,y=10; x=3,y=15?

k = 10/2 = 5 or k = 15/3 = 5

400

Find the slope and y-intercept from this table (hint: x=0 is not shown!):

x:2,3,5,7

y:6,10,18,26

Slope (m) =4
Y-Intercept (b) =-2

400

What is the answer for the equation 7y - 4y + 9 

The answer   3y+9 

400

 Enlarge 5×8 photo by 2.5  What is the answer for this equation

New: 12.5 × 20

400

What trick did we use for this answer 8:12 ?

Simplified: 2:3

400

How can we find y 4 x = k?

k = 4 (coefficient of x)

500


A line passes through points (1, 5) and (4, -1). Find the slope and y-intercept.


Slope (m) =-2
Y-Intercept (b) =7

500

 The answer is 8x-2   And we need to find the equation? 

5x + 3x - 2

500

 How many  240 miles in 4 hours?

240/4 = 60 miles per hour

500

What is the answer for $12 for 3 pounds?

2/3 = $4 per pound

500

It was 150 words and they only give 5 minutes.What is the answer?

150/5 = 30 words per minute