Writing Equations of Linear Functions from Word Problems

What are the three types of word problems discussed in the video?

• Constant rate or speed, two points, and a starting amount

• Constant rate or speed, given slope and point, and two points

• Constant rate or speed, given slope and point, and a starting amount

• Given slope and point, two points, and a starting amount

Tags

CCSS.HSA.CED.A.1

CCSS.HSA.SSE.A.1

In the problem where Marti is spending money, what does the slope represent?

• The rate at which Marti is spending money

• The number of days that have passed

• The amount of money Marti has left

• The initial amount of money Marti had

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CCSS.HSF.LE.B.5

CCSS.HSS.ID.C.7

What is the equation form used when given a point and a slope?

• Standard form

• Slope-intercept form

• Point-slope form

• Quadratic form

Tags

CCSS.HSG.GPE.B.5

If Marti has $68 left after 14 days, what is the point that represents this information?

• (68, 14)

• (14, 68)

• (68, 3)

• (3, 68)

Tags

CCSS.HSA.CED.A.2

CCSS.HSA.SSE.A.1

In the cricket chirping problem, what are the variables X and Y?

• X is the time, Y is the number of chirps

• X is the temperature, Y is the number of chirps

• X is the number of chirps, Y is the temperature

• X is the number of chirps, Y is the time

Tags

CCSS.HSA.CED.A.2

CCSS.HSS.ID.B.6

What is the slope in the cricket chirping problem?

• 4

• 3

• 5

• 2

Tags

CCSS.HSS.ID.C.7

What is the equation form used when given two points?

• Quadratic form

• Point-slope form

• Standard form

• Slope-intercept form

Tags

CCSS.HSA.REI.D.10

CCSS.HSG.GPE.B.5

In the airplane problem, what does the y-intercept represent?

• The initial height of the airplane

• The time in minutes

• The final height of the airplane

• The rate of descent

Tags

CCSS.HSS.ID.C.7

What is the equation for the airplane's height after a certain number of minutes?

• y = 2000x + 30000

• y = -2000x + 30000

• y = 30000x - 2000

• y = -30000x + 2000

Tags

CCSS.HSA.CED.A.2

CCSS.HSA.REI.D.10

CCSS.HSF.BF.A.1

After 5 minutes, what is the height of the airplane?

• 10,000 feet

• 20,000 feet

• 40,000 feet

• 30,000 feet

Tags

CCSS.5.MD.A.1