U2 Quiz Review: Manipulating & Understanding Equations

What does the solution (45, 88) represent if x is the number of minutes studied and y is the grade on a test?

Tags

CCSS.HSA.CED.A.2

CCSS.HSA.REI.D.10

CCSS.HSF.IF.B.4

CCSS.HSS.ID.B.6

The equation 2x + 3y = 120 is graphed. The equation represents the number of chocolate bars, x, and candied nuts, y, students must sell in order to earn enough money to pay for a school field trip to an amusement park.

Which of the following statements about the scenario, graph, and solutions are true? Select all that apply.

• The student is selling candy bars for $3 each.

• The line represents the combination of candy bars and candied nuts the student needs to sell to earn exactly $120.

• If the student sells 10 candy bars and 30 candied nuts, they will earn enough to go on the school trip.

• If the student sells 65 candy bars, they will have enough money to afford the trip.

• If the student sells 40 candy bars, they need to sell 14 or more candied nuts to afford the trip.

Tags

CCSS.8.EE.B.5

According to the graph, what does the point (45,10) on the graph signify in relation to the situation of selling candybars and candied nuts to go on a field trip?

• Selling 45 candy bars and 10 candied nuts

• Selling 10 candy bars and 45 candied nuts

• Selling 45 candy bars and 20 candied nuts

• Selling 20 candy bars and 45 candied nuts

Tags

CCSS.8.EE.B.5

According to the graph, if a student sells 60 candy bars, how many candied nuts do they need to sell according to the graph?

• 0

• 10

• 30

• 40

Tags

CCSS.HSF.IF.B.4

Fill in the blank:

The equation 2x + 3y = 120 represents the number of chocolate bars, x, and candied nuts, y, students must sell in order to earn enough money to pay for a school field trip to an amusement park.

If a student sells 0 chocolate bars, they need to sell ___ candied nuts to earn $120.

• 20

• 30

• 40

• 50

Tags

CCSS.HSF.LE.B.5

Which equations are equivalent to 6x+16 = 2x+28?

• 8x+16 = 28

• 4x+16 = 28

• 12x+16 = 4x+28

• 12x+32 = 4x+56

• 3x+8 = x+14

Tags

CCSS.8.EE.C.7A

• 5 was incorrectly multiplied to both sides of the equation.

• 5 was correctly multiplied to both sides of the equation.

Tags

CCSS.HSA.REI.A.1

Solve the equation 10a = 5a. What is the value of a?

• 0

• 1

• 2

• 5

Tags

CCSS.8.EE.C.7B

Fill in the blank: The solution to the equation 10a = 5a is a _______ type of solution.

• Infinite Solutions

• No Solution

• One Solution

Tags

CCSS.8.EE.C.7A

Match the Type of Solution to each equation.

• One Solution

• Infinitely Many Solutions

• No Solution

Tags

CCSS.8.EE.C.8B