8th Grade Crct Jeopardy

Algebra Number and Operations

Geometry

Data Analysis Miscellaneous & Probability

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What is the value of the expression 3x – 5 when x = 3?

4

Solve a + b + c = P for c

c=P–a–b

-9n + 8 ≥ 80

n ≤ -8

Solve this equation for y. -4x + 2y = 10

y = 2x + 5

Is the graph below a function? Why or why not?

Yes. It passes the vertical line test.

What is the best whole-number ESTIMATE of 84 ?

9

Which numbers are irrational?

− 256, 42, 289, 116

42,and 116

What is the value of n in the equation n ? 8

5=5 5 2

5

6

The formula N=(3 ) gives N, the number of bacteria present in a culture after t hours. How many bacteria are present in the culture after 4 hours? t

810

What is 0.000055 expressed in scientific notation?

5.5 x 10

-5

Lines a and b are parallel. If the measure of < 1=118º, what is the measure of < 4? t 1 8 7 2 6 3 4 5

a b

62º

Use congruent trapezpoids JKLM and WXYZ to find the measure of
K L

W Z

X 37º

Y

143º

What is the length of a?

12

If the acute angles of a right triangle are congruent, what is the measure of each acute angle?

45º

A rectangular park measures 30 meters by 40 meters. How long will a diagonal path from one corner of the park to the other corner measure?

50 meters

If P = {9,11,13,15} and Q= {8,10,12,14}, what is the union of sets P and Q?

(8,9,10,11,12,13,14,15)

What is A’ ?

{1,3,5,7,9,11}

In how many ways can Larry line up 5 different books on a shelf?

120

Brenda rolls 2 number cubes, each with faces numbered 1-6. What is the probability that 4 will come up on each cube?

1 36

Using the scatter plot, explain the relationship between height and test scores.

No correlation

Toby is saving $15 per week. Write an inequality to show how to find the number of weeks (w) Toby must save to have at least $100?

15w

≥ 100

Carlos has a bag containing 3 blue tiles, 4 green tiles, and 5 red tiles. If he reaches into the bag without looking, what is the probability that Carlos will draw out a green tile.

1 3

Solve the following inequality and choose the correct solution for n. 3n+5< -1

n < -2

Which sequence is a linear function? C.2,4,8,16,32… D. 2,4,6,8,10…. E. 2,4,7,11,16…

B

What is the solution of this system of equations?

2x + y = 5 y – x = -1

(2,1)