Unit 4A Linear expressions Retake D

Last updated about 1 year ago

6 questions

Consider the following equation.
-8y + 13x + 2y - 5x = -48
Identify the slope for this equation LEAVE as a reduced/simplified fraction.
_______ 
Identify the y-intercept for this equation. Write as an ordered pair.
_______ 
Identify the x-intercept for this equation. Write as an ordered pair.
_______ 

Blow-It-Up Inflatables charges a flat rate of $40 dollars to set up a bouncy house for a party plus $25 per hour that the bouncy house is rented. Ms. Faahs wants her party to last for 8 hours.

What will the cost after 5 hours be?
_______ 
List 3 possible input values for this scenario (separate your answers with a comma with no space!)_______ 

Use the table and the equation below to answer each question. Ethan and Eli are twins whose weight gain is being recorded over time. Let (x) represent the number of weeks and let (y) represents the weight in pounds. The equation that represents Eli's weight is 
y-7=3(x-1). The table that shows Ethan's weight is below.

Who weighed more at birth?_______ 
Who is growing at a faster rate?_______ 

Leah is buying eggs (x) for $2 per carton and bacon (y) for $4 per pound. She will spend $52 before tax.

What is the equation written in Standard Form?_______ 
What is the x intercept? List as ordered pair.
_______ 
What is the y intercept? List as ordered pair.
_______ 
Write the domain in interval notation
_______ 
Write the range in interval notation
_______ 

Based on the given scenarios, does it make sense to use Point-Slope Form, Standard Form, or Slope Intercept Form.

A group of people are going to the movies. Student tickets cost $12 each and Adult tickets cost $15 each. They have a total of $300 to spend.
An airplane begins it's decent at 15,000 feet. It descends at a rate of 100 ft per second.
Peaches cost $3.50 per pound. Ten pounds of peaches cost $35.

Point-Slope Form
Standard Form
Slope Intercept Form

John needs to drain his pond for the winter. It is draining at 4 gallons an hour. After 3 hours there are 120 gallons remaining

Write an equation in point slope form to represent this scenario_______ 

At what hour does the pond reach 0 gallons of water?_______ 