Rate of Change & Initial Value - Word Prob & Equations

What is another name for the initial value?

• origin

• x-intercept

• y-intercept

• rate of change

• 4

• 4x

• 5

• -5

• 7

• 14

• -14

• -14x

Tim bought a new phone.  He paid $125 on the day of purchase, then $50 per month until it was paid off. What is the initial value in this situation?

• 50
• 125

• 4

• 4x

• 5

• -5

What rate describes how one quantity changes in relation to another quantity?

• Rate of Change
• Y-intercept
• X-value
• y = mx + b 

What is another word for constant rate of change?

• y -intercept
• slope-intercept form
• slope
• None of the above

Tina earns $25.95 per hour, plus a consulting fee of $50. What is the initial value?

• $25.95

• $50

• No of the above

Sort slopes in order from greatest to least.

• y=3x+15

• y= -10x

• y=-20+9x

• y= -1x+7

• y=10x

During the summer, Briana runs an ice cream shop. Her biggest seller is waffle ice cream cones. She charges $1.85 for a waffle cone, and $0.60 for each scoop of ice cream.

• Y= 1.85X + 60

• y=60X + 1.85

• y=.60X + 1.85

• y= 1.85X -60