Coordinate Algebra Milestones Review

You spend $40 on 5 pounds of concrete. What is the unit rate in dollars per pound?

• $8 per pound
• $5 per pound
• $35 per pound
• 0.125 pounds per dollar

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

CCSS.6.RP.A.3

If Justin can type 408 words in 4 minutes, how many words can he type per minute?

• 102 words per minute
• 100 words per minute
• 400 words per minute
• 412 words per minute

Tags

CCSS.6.NS.B.2

CCSS.6.RP.A.1

CCSS.6.RP.A.2

CCSS.6.RP.A.3

Peter had a starting balance of $482.32 in his checking account. Which equation shows how to find his balance, b, after he withdrawals $45?

• b = $482.32 + $45

• b = $482.32 - $45

• b = $482.32 x $45

Tags

CCSS.8.EE.C.7B

Emily had $50. Then she worked 8 hours for $10 each hour. Which expression matches the words?

• 50 + (8 x 10)

• (50 + 8) x 10

• 50 + 8 + 10

Tags

CCSS.HSA-SSE.A.1A

Jonathan buys 4 sheets of 10 stamps each and 2 sheets of 8 stamps each. He uses 25 stamps on envelopes. Which equation can be used to find n, the number of stamps Jonathan has left?

• (4 + 10 x 2 + 8) - 25 = n

• [(4 ⋅ 10) + (2 ⋅ 8)] - 25 = n

• 4(10) + 2(8) + 25 = n

Given the points A(-1,2) and B(7,14), find the coordinates of the point P on directed line segment AB that partitions AB into a ratio 1:3. 

• (1,5)
• (3,7)
• (4,4)
• (5,8)

Which equation represents a line that is perpendicular to the line represented by 2x - y = 7?

• y = -1/2x + 6

• y = 1/2x + 6

• y = -2x + 6

• y = 2x + 6

What is an equation of a line that is perpendicular to the line whose equation is 2y = 3x - 10 and passes through (-6,1)?

• y = -2/3x - 5

• y = -2/3x - 3

• y = 2/3x + 1

• y = 2/3x + 10

What is an equation of a line which passes through (6,9) and is perpendicular to the line whose equation is 4x - 6y = 15 (Point- Slope Form)?

• y - 9 = -3/2 (x - 6)

• y - 9 = 2/3( x- 6)

• y + 9 = -3/2 (x + 6)

• y + 9 = 2/3 (x + 6)

Find the distance between (-12, 1) and (12, -1).

• 24.05
• 24.06
• 24.07
• 24.08