8th Math STAAR Prep: Series 2 & 7 and page 2

Serek graphed a linear function on the coordinate grid. What are the y-intercept and slope of the graphed linear function?

• y-intercept = -2.4, slope = -5/4

• y-intercept = -3, slope = 5/4

• y-intercept = -2.4, slope = -4/5

• y-intercept = -3, slope = 4/5

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

A 25 foot long ladder is set up against the side of a building. The bottom of the ladder is 7 feet from the base of a building’s wall. All dimensions in the diagram are in feet. What is the total height, h, of the building’s wall in feet?

(a)  

Tags

CCSS.8.G.B.8

Evander is considering taking a $6,000 student loan that charges 3.5% interest compounded annually. Which amount is closest to the total loan plus accumulated interest in 4 years when he graduates?

• $6,885.14

• $6,210.00

• $6,840.00

• $7,019.15

Tags

CCSS.HSF-LE.A.1C

Which situation can be represented by the equation 22h + 50 = 27h + 20?

• Tamira and Alberto are volunteers shelving books at the library. Tamira started with 22 books on her shelf and added 50 more books per hour to it. Alberto started with 27 books on his shelf and added 20 books per hour to it. In how many hours, h, were the number of books on the two shelves equal

• A restaurant has two wood-fired ovens. Oven A has 50 pounds of wood in its storage bin and uses 22 pounds per hour. Oven B has 20 pounds of wood in its storage bin and uses 27 pounds per hour. In how many hours, h, will the amount of wood remaining be equal?

• Chen monitored the amount of money contained in two cash registers at his store. The first register started with $22 in it and $50 per hour was added to it. The second register started with $27 in it and $20 per hour was added to it. In how many hours, h, were the amounts in the two cash registers equal?

• Luis needs a painter to refinish his front door. Painter A charges a $50 appointment fee plus $22 per hour of work performed. Painter B charges a $20 appointment fee plus $27 per hour of work. In how many hours, h, would the painter costs be equal?

Tags

CCSS.8.EE.C.7B

Serek graphed a linear function on the coordinate grid. What are the y-intercept and slope of the graphed linear function?

• y-intercept = -3, slope = -1/4

• y-intercept = 3/4, slope = 1/4

• y-intercept = -3, slope = 4

• y-intercept = 3/4, slope = -4

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

A 17 foot long ladder is setup against the side of a building. The bottom of the ladder is 8 feet from the base of a building’s wall.

All dimensions in the diagram are in feet. What is the total height, h, of the building's wall in feet?

(a)  

Tags

CCSS.8.G.B.8

Evander is considering taking a $5,000 student loan that charges 4.25% annual simple interest. Which amount is closest to the total loan plus accumulated interest in 4 years when he graduates?

• $5,850.0

• $5,800.00

• $5,906.93

• $5,905.74

Tags

CCSS.7.RP.A.3

Which situation can be represented by the equation 90 - 15h = 115 - 20h?

• Tamira and Alberto are volunteers shelving books at the library. Tamira started with 90 books on her shelf and added 15 more books per hour to it. Alberto started with 115 books on his shelf and added 20 books per hour to it. In how many hours, h, were the number of books on the two shelves equal?

• Chen monitored the amount of money contained in two cash registers at his store. Thefirst register started with $15 in it and $90 per hour was added to it. The second register started with $20in it and $115 per hour was added to it. In how many hours, h, were the amounts in the two cash registers equal?

• A restaurant has two wood-fired ovens. Oven A has 90 pounds of wood in its storage bin and uses 15 pounds per hour. Oven B has 115 pounds of wood in its storage bin and uses 20 pounds per hour. In how many hours, h, will the amount of wood remaining be equal?

• Luis needs a painterto refinish his front door. Painter A charges a $90 appointment fee plus $15 per hour of work performed. Painter B charges a $115 appointment fee plus $20 per hour of work. In how many hours, h, would the painter costs be equal?

Tags

CCSS.8.EE.C.7B