Algebra 1 Quiz 1 Section 4 : Algebra Nation

Jeff Morton drives 140 miles in 4 hours.

What is his rate of change?

• 140 mph

• 35 mph

• 4 mph

• 0.028 mph

Jeff Morton drive 140 miles in 4 hours.

Which graph represents the situation?

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Steve is trying to increase his average pace per mile by running hills. The hill on 1^st Avenue rises 3 vertical feet for each horizontal foot. The hill on 16^th Avenue rises 1 vertical foot for every 3 horizontal feet.

Which hill will be more difficult for Steve to run up and why?

• 16th Avenue; because the slope is LARGER and so the hill is STEEPER

• 1st Avenue; because the slope is LARGER and so the hill is STEEPER

• 16th Avenue; because the slope is SMALLER and so the hill STEEPER

• 1st Avenue; because the slope is SMALLER and so the hill STEEPER

J.K. Rowling and R.L. Stine are both reading the Hunger Games.  J.K. reads 35 pages every 2 hours and R.L. reads 45 pages every 3 hours. 

What is the rate of change for each reader?

J.K. Rowling and R.L. Stine are both reading the Hunger Games.  J.K. reads 35 pages every 2 hours and R.L. reads 45 pages every 3 hours. 

If The Hunger Games is 355 pages, who will finish the book first and how many hours will it take?

• J.K Rowling will finish the book first only taking roughly 20 hours.

• J.K. Rowling will finish the book first only taking roughly 10 hours.

• R.L. Stine will finish the book first only taking roughly 8 hours.

• R.L. Stine will finish the book first only taking roughly 24 hours.

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Appleseed, a tech company, spends a fixed cost of $1500 to manufacture the wristbands for their new Appleseed Watch, plus $100 per unit manufactured.

 

What is the slope of the line? What does the slope represent?  

• The slope is $1500 which represents the initial fixed cost.

• The slope is $100 which represents the initial fixed cost.

• The slope is $1500 which represents the cost per wristband.

• The slope is $100 which represents the cost per wristband.

Appleseed, a tech company, spends a fixed cost of $1500 to manufacture the wristbands for their new Appleseed Watch, plus $100 per unit manufactured.

 

What is the y-intercept of the line? What does the y-intercept represent?  

• The y-intercept is $1500 which represents the initial fixed cost.

• The y-intercept is $100 which represents the initial fixed cost.

• The y-intercept is $1500 which represents the cost per wristband.

• The y-intercept is $100 which represents the cost per wristband.