Math 8 3rd Quarter General Review #2

Which of these numbers is irrational?

• 3.33333...
• √100
• 4⅖
• √20

Which of these numbers is not rational?

• ⅓
• 12.25
• 8.080808...
• √10

Which equation has a linear graph?

• f(x) = ⅓x + 6
• f(x) = x²
• f(x) = |x|
• f(x) = 2^x

Tags

CCSS.8.F.A.3

The equation
4(x + 2) + x + 1 =
2x - 3 + 3(x + 4)
has an infinite number of solutions because...

• if you substitute 3 for x it will satisfy the equation.
• there is no value that will satisfy the equation.
• any number substituted will satisfy the equation.
• no matter what number you substitute, 5 ≠ 7.

Tags

CCSS.8.EE.C.7A

• y = 5x + 6
• y = ½x + 5
• y = 8x + 6
• y = 2x + 5

How many decimal places does an irrational number have?

• None
• One
• A Repeating Number
• Infinitely Many

Tags

CCSS.8.NS.A.1

Darius needs to solve 45 math problems for his homework assignment. He already completed 15 of the problems in morning study hall. He then worked from 3:15 to 4:30 to complete the remainder of the problems. How many minutes does it take Darius to complete one problem?

• 5 minutes per problem
•  ⅗ minute per problem
• 2½ minutes per problem
• ⅖ minute per problem

Tags

CCSS.6.NS.B.3

If rectangle ABCD has a length of 13 cm and width of 8 cm, what is the length of diagonal AC?

• About 15.1 cm
• About 15.3 cm
• About 15.7 cm
• About 15.9 cm

Tags

CCSS.8.G.B.8

What is the y-intercept of the line represented by 3y = 6x - 1?

• -⅓
• -1
• 1
• 3

Tags

CCSS.8.EE.B.6

CCSS.8.F.A.3

• y = -9x + 3
• y = 6x + 3
• y = 9x + 3
• y = -6x + 3

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2