Bart is saving $6 dollars every week. He started with $20.
Which value represents the slope?
$6
100
Bart is spending $6 dollars every week. He started with $20.
Write an equation to represent this Bart's spending.
y = - 6x + 20
100
34 = 6x + 10
x = 4
200
y = 3/2(x) + 3
3/2
200
y = -1/2(x) - 8
- 8
200
A bike store rents bikes for $16 per hour, plus a one time $14 rental fee.
Which value represents the y-intercept?
$14
200
Martin charges $12 per hour to shovel snow plus $5 for de-icer.
Write an equation to represent Martin's earnings.
y = 12x + 5
200
20 = 4x - 8
x = 7
300
X Y
0 4
2 7
4 10
3/2
300
What is the y - intercept?
X Y
-1 2
0 4
1 6
2 8
4
300
Maria grows daisies. Her daisy grows 1 centimeter every day. It was 4 centimeters tall when she planted it in her garden.
Which value represents the slope?
1 centimeter
300
Salvador was 300lbs in November. After Thanksgiving he lost 10lbs every month.
Write an equation to show Salvador's weight loss.
y = -10x + 300
300
42 = 5x + 22
x = 4
400
X Y
-2 12
-1 7
1 -3
-5
400
What is the y-intercept?
X Y
2 9
3 12
4 15
5 18
3
400
Tommy is a skydiver. He jumps out of a plan at 10,000 feet in the air and falls 60 feet per second.
Which value represents the slope?
60 feet
400
Betsy bought an ice cream maker for $70. Now she sells ice cream for $2 per scoop.
Write an equation to show Betsy's earnings.
y = 2x -70
400
- 22= 3x - 7
x = -5
500
y = x - 14
1
500
What is the y-intercept?
X Y
-2 -40
-1 -30
1 -10
2 0
-20
500
A cable company charges a $50 set up fee plus $90 per month.
Which value represents the y-intercept?
$50
500
A submarine that is 730 feet below sea level rises at 20 feet per minute.
Write an equation that shows the how the sub will rise.