Algebra 1 QF 2 Prep part 3

The scatterplot below shows the The scatterplot below shows the relationship between the values of 12 relationship between the values of 12 homes and the monthly rent charged homes and the monthly rent charged for each home. for each home. Based on the line of best fit for the Based on the line of best fit for the scatterplot, what is the approximate scatterplot, what is the approximate value of a home that has a monthly value of a home that has a monthly rent of $900? rent of $900?

• $125,000

• $200,00

• $275,000

• 450,000

• y - 3 = (x - 2)

• y + 3 = -2(x - 2)

• y + 5 = (x + 2)

• y + 3 = 2(x + 2)

The graph of which of the following equations has a slope of − 1/2 and an x-intercept of(− 6, 0)?

• y = − 1/2x − 6

• y = − 1/2x − 3

• y = − 1/2x+3

• y = − 1/2x+6

Tags

CCSS.8.EE.B.6

CCSS.8.F.A.3

Jesse wants to purchase three binders and a backpack. If the backpack costs $16, which equation represents the situation in which x denotes the cost per binder purchased and y denotes the total cost of Jesse’s purchase?

• y=16x

• y=x+16

• y=16x+3

• y=3x+16

Tags

CCSS.6.EE.C.9

Which equation has a graph with a slope of −7

and an x-intercept of −5?

• y+5=−7x

• y+5=7x

• y=−7(x+5)

• y=−7(x−5)

Harry needs to buy hamburgers and hot dogs for a picnic. He has only $41.00 to spend and must buy AT LEAST 98 hamburgers or hot dogs. A store charges $0.50 per hamburger and $0.25 per hot dog. Which of the following is a possible way Harry might buy the hamburgers and hot dogs?

• 78 hamburgers and 20 hot dogs

• 69 hamburgers and 28 hot dogs

• 66 hamburgers and 33 hot dogs

• 64 hamburgers and 35 hot dogs

Tickets for a field trip cost $5 for students and $8 for adults. The total amount paid for tickets C can be found using the equation below, where s is the number of students who attend, and a is the number of adults.

C=5s+8a

Which equation is equivalent when solved for s in terms of C and a?

• s=C/5−8a

• s=C5+8a

• s=(C−8a)/5

• s=(C+8a)/5

Tags

CCSS.HSA.CED.A.4

Which equation is a simplified version of 4a+3b=6b−9a?

• 13a=9b

• 13a=3b

• −5a=9b

• −5a=3b

Solve −4x − 8y = 24 for y.

• y=−1/2x − 3

• y=−1/2x + 3

• y=1/2x − 3

• y=1/2x + 3

Tags

CCSS.6.EE.C.9

The mean test score, a, for three tests, b, c, and d, is calculated using the formula

a = (b+c+d)/3.

Which equation is equivalent to this formula solved for d, the score on the last test?

• d=3a−3b−3c

• d=3a+3b+3c

• d=3a+b+c

• d=3a−b−c

Tags

CCSS.HSA.CED.A.4