Number Sense
Solving Equations
Systems of Equations
Slope
MIX UP
100
What is the square root of 121?
11
100

Solve:

2x - 4 = 10

x = 7
100

If two lines cross once on a graph, what must be true?

a) The lines must have the same y-intercept.

b) The lines must have a different slope.

c) The lines must have a different y-intercept.

b) The lines must have a different slope.
100

When looking at a table, how do you find the slope?

a) The value of y when x = 0.

b) The change in x over the change in y.

c) The change in y over the change in x.

c) The change in y over the change in x.
100
Is Pi rational or irrational?
irrational
200
What is the cubed root of 27?
3
200

Solve:

2(x + 3) = 18

x = 6
200

If two lines do not cross on the graph, they are always no solution.

True or False.

False.
200

What are the two words used to describe slope?

rise/run
200

What is the median in the data below?


1, 4 , 2, 5, 6, 1

Median = 3
300
Between which two integers is the square root of 70?
8 and 9
300
-3 (x + 4) = 6
x = - 6
300

Solve the following system:

y = 2x

x = 3

(3, 6)
300

What is the slope of the line below.


y = -x + 0

m = -1 or -1/1
300
Write 3450000 in Scientific Notation.
3.45 x 10^6
400

Out of the following, which three numbers are prime:

3, 12, 15, 17, 23

3, 17, 23
400

Solve:

1/2 ( 2x + 4 ) = 10

x = 8
400

Solve the following system.

y = 10

2x + y = 20

(5, 10)
400

If a line has zero slope it is:

a) a horizontal line

b) a vertical line

a) a horizontal line
400
When looking to determine if a table is a function, what is important about the x values?
It is important that each x value has only one y value.
500

Which is the rule for multiplying two numbers with different bases?

ex. 2^3 times 3^2


No Shortcut: Expand and Solve.
500
4x + 6 = -x + 26
x = 4
500

Solve the following system:

y = 2x + 4

2y + x = 33

(5, 14)
500
If Company A has a rate of change of 3 and Company B has a rate of change of 2, which company's graph would appear steeper?
Company A
500

What is the range in the set of data?

2, 4, 5, 1, 5, 7, 4

The range is 6.
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