sums/tests 1

Grade 8Rational and Irrational Numbers

Determine if the statement is true or false. π≥4

1. True
2. False

Grade 8Linear EquationsCCSS: 8.EE.B.6

What is the slope of a line that passes through the points (3,5) and (2,1)?

1. -4
2. 4
3. 1/4
4. -1/4

Grade 8Exponents

Simplify the following expression (No negative exponents):
(3x6y3)3

1. 6x9y6
2. 9x9y9
3. 9x18y9
4. 27x18y9

Grade 8Quadratic Equations

Solve the equation x2−2x−35=0

1. x=-7 and x=5
2. x=-7 and x=-5
3. x=7 and x=-5
4. x=7 and x=5

Grade 8Rational and Irrational NumbersCCSS: 8.NS.A.1

Pi is                   and its decimals                   repeating pattern.

1. finite; have no
2. finite; have a
3. infinite; have no
4. infinite; have a

Grade 8Geometry and MeasurementCCSS: 8.G.C.9

π is used when calculating which of the following?

1. area of a circle
2. volume of a sphere
3. volume of a cylinder
4. volume of a cone
5. all of the above

Grade 8FunctionsCCSS: 8.F.A.2, 8.F.B.4

Fill in the table with the following values:

{(1,5),(2,8),(3,11),(4,14),(5,17)}

Which algebraic equation gives the correct rule for the table?

1. y=x+2
2. y=2x+1
3. y=2x+3
4. y=3x+2

Grade 8FunctionsCCSS: 8.F.A.2, 8.F.B.4

Fill in the table with the following values:

{(−4,−2),(−2,−1),(2,1),(4,2)}

Which algebraic equation gives the correct rule for the table?

1. y=2x
2. y=4x
3. y=12x
4. y=14x

Grade 8Algebraic ExpressionsCCSS: 8.EE.C.7a

Solve the following equation:
8y+4=60

1. -8
2. -7
3. 7
4. 8
5. 128

Grade 8Linear EquationsCCSS: 8.EE.C.8b

Solve the following equation:
3x−5=7x+7

1. -3
2. 3
3. 2
4. -2

Grade 8VolumeCCSS: 8.G.C.9

What is the volume of a cylinder with a radius of 6 cm and a height of 10 cm? Use pi = 3.14.

1. 1130.4 cm3
2. 1130 cm3
3. 360.8 cm3
4. 600 cm3

Grade 8Range, Median, Mean, and Mode

A bakery sells 30 cupcakes at $3.00 each, 12 cakes at $20.00 each, and 40 loaves of bread at $4.00 each. What is the average price of an item sold?

1. $5.98
2. $9.00
3. $18.15
4. $80.00
5. $490.00

Grade 8ExponentsCCSS: 8.EE.A.1

(52)3=

1. 55
2. 56
3. 58
4. 125

Grade 8FunctionsCCSS: 8.F.A.2, 8.F.B.4

Fill in the table with the following values:

{(−2,14),(−1,7),(0,0),(1,−7),(2,−14)}

Which algebraic equation gives the correct rule for the table?

1. y=−7x
2. y=7x
3. y=x+7
4. y=x−7

Grade 8Circles

What is the term used to describe the total distance of the outer edge of a circle?

1. length
2. circumference
3. diameter
4. perimeter

Grade 8ExponentsCCSS: 8.EE.A.1

When you have a negative exponent, What is the first thing that you should do?

1. Convert it to a decimal
2. Convert it to a fraction
3. Move it 2 decimal places
4. Move it 1 decimal place

Grade 8Range, Median, Mean, and Mode

Jasmine is part of a bowling league and wants to beat the team record of an average score of 240 out of 300 possible points per game. Her scores for the first five games are 252, 227, 210, 198, and 242. What must Jasmine score in her sixth game to beat the team record for average points per game?

1. 228
2. 238
3. 242
4. 273
5. The average is not achieveable

Grade 8Circles

What term is used to describe half of the diameter?

1. radius
2. half diameter
3. quarter
4. circumference

Grade 8Circles

The number value commonly used to represent π (pi) in equations

1. 3
2. 3.411
3. 2
4. 3.14

Grade 8Circles

What is the term used to describe the distance from one edge of the circle to other, passing through the middle point?

1. area
2. radius
3. diameter
4. height
   Grade 8ExponentsCCSS: 8.EE.A.1

   Solve.
   416 multiplied by 420
   

   1. 436
   2. 416
   3. 4320
   Grade 8Exponents

   Which expression is equivalent to (3x5)(2x12)
   

   1. 5x17
   2. 5x60
   3. 6x17
   4. 6x60
   Grade 8ExponentsCCSS: 8.EE.A.1

   Simplify the following expression (No negative exponents):
   3x5⋅2x12
   

   1. 5x17
   2. 5x60
   3. 6x17
   4. 6x60
   Grade 8ExponentsCCSS: 8.EE.A.1

   Anything to the zero power equals
   

   1. 0
   2. 1
   3. 1/2
   4. .01
   Grade 8Exponents

   Express the following number using proper scientific notation: 3910.28×104
   

   1. 3.91028×106
   2. 3.91028×108
   3. 3.91028×107
   4. 39.1028×105
   Grade 8Quadratic Equations

   Factor:
   x2−81
   

   1. (x+9)(x-9)
   2. (x+9)(x+9)
   3. (x-9)(x-9)
   4. Unfactorable
   Grade 8Linear EquationsCCSS: 8.F.A.3

   What is the slope of the given line:
   y=−34x−78
   

   1. 3/4
   2. 7/8
   3. -3/4
   4. -7/8
   Grade 8Rational and Irrational NumbersCCSS: 8.NS.A.1

   Which of the following is NOT a characteristic of all rational numbers?
   

   1. They are integers
   2. They can continue on for forever with no pattern
   3. They must be a perfect square root
   4. They are a fraction
   Grade 8TrigonometryCCSS: 8.G.B.7

   If one leg of a triangle measures 9 m. and the hypotenuse measures 15 m., what is the length of the other leg of the triangle?
   

   1. 21 m
   2. 108 m
   3. 12 m
   4. 72 m
   Grade 8Percents

   What is 7% as a decimal.
   

   1. 0.7
   2. 0.07
   3. 0.007
   4. 7.0
   Grade 8Algebraic Expressions

   Solve:
   2x+34=x4
   

   1. x=-3
   2. x-1
   3. x=-1
   4. x=3
   Grade 8Linear EquationsCCSS: 8.EE.C.8a, 8.EE.C.8c

   Many students bought prom tickets in advance for $2 each. Other students bought tickets at the door for $5 each. In all, 127 students attended the dance and $500 was the total for all tickets sales. How many students bought advanced tickets?
   

   1. 27
   2. 45
   3. 82
   4. 100
   Grade 8Quadratic Equations

   Solve:
   2x2−4x−3=0
   

   1. x=1±210−−√
   2. x=2±10−−√
   3. x=2±10−−√2
   4. x=2±2√2
   Grade 8RadicalsCCSS: 8.EE.A.2

   Simplify:
   25x8y12−−−−−−−√
   

   1. 5x4y6
   2. 5x2y2x4y6−−−−√
   3. 5x2y2xy−−√
   4. 5x8y12−−−−−√
   Grade 8Number Sentences

   Which of the following is NOT equal to 120?
   

   1. 12(8+2)
   2. 6*6+18*2
   3. 6*18+6*2
   4. 6(18+2)
   Grade 8Fractions and Ratios

   Find 38+23 in simplest form.
   

   1. 5/11
   2. 1124
   3. 5/8
   4. 16/9
   Grade 8Scientific NotationCCSS: 8.EE.A.4

   A rectangular section of wilderness will be set aside as a new wildlife refuge. Its dimensions are 5×105meters by 4×104 meters. Find the area of the land in square meters.
   

   1. 9×10
   2. 9×109
   3. 2×1010
   4. 20×109
   Grade 8Collecting and Interpreting DataCCSS: 8.SP.A.4

   Jesse grew 1.5 cm this year while Shaniqua grew 2.5 cm. This is an example of
   

   1. Correlation
   2. Causation
   3. Unrelated events
   4. a and b
   Grade 8Collecting and Interpreting DataCCSS: 8.SP.A.4

   Jeremy's math grade went up this week but Sara's language arts grade went down. This is an example of
   

   1. Correlation
   2. Causation
   3. Unrelated events
   4. a and b
   Grade 8Collecting and Interpreting DataCCSS: 8.SP.A.4

   The amount of water that is given to a plant affects the rate at which it grows. This is an example of
   

   1. Correlation
   2. Causation
   3. Unrelated events
   4. a and b