Chapter 3 Part 2 Test Review

Chapter 3 Part 2 Test Review

- One-step Equations w/ rational numbers

- Two-Step Equations w/ rational numbers

- Coordinate Grids (x,y)

One step

• Undo the operation by the opposite OPERATION, not number

Multiple Choice

-5/8 = b - 1/8

• -6/8

• -3/4

• -1/2

• 1/2

Multiple Choice

1/2 + n= -1/4

• -1/2

• 1/2

• -3/4

• 3/4

Multiple Choice

b + 1.5 = -5.5

• 4

• -4

• 7

• -7

Multiple Choice

Solve the equation:
-2.6 + x = -4.6

• x = 2
• x = -2
• x = 7.2
• x = -7.2

Multiple Choice

Solve the following equation.
 $\frac{k}{0.9}=2.7$  
*Hint: Do the opposite operation*

•  $k=3$  

•  $k=2.43$  

•  $k=1.8$  

Multiple Choice

What is the solution of the equation?

-39.75 = 7.5m

• 298.125

• -5.3

• -32.25

• -298.125

Equations with Fractional Coefficients

• multiply each slide by the reciporcal (this means flip the fraction)

Multiple Choice

Solve the equation. Check your solution.

• -90
• 90
• -40
• -180

Multiple Choice

Solve the equation. Check your solution.

• 24
• ¹⁴⁷/₈ or 18 ³/₈
• 168
• -24

Multiple Choice

Solve the equation. Check your solution.

• 72
• .5
• ¹/₂
• 2

Two-Step Equations with Rational numbers

• Undo the addition and subtraction 1st

• Undo the multiplication or division

Multiple Choice

 $1.25m+7=2.5$  

•  $7.6$  

•  $-3.6$  

•  $-0.36$  

•  $-1.1$  

Multiple Choice

 $-2.4k+3.6=-7.8$  

• 4.75

• 1.75

• -1.75

• -4.75

Multiple Choice

 $\frac{1}{2}x\ +\ \frac{3}{8}=\frac{1}{6}$  

•  $\frac{13}{12}$  

•  $-\frac{5}{24}$  

•  $-\frac{5}{12}$  

•  $\frac{13}{48}$  

Coordinate Grids

• Vocab

• Order Pairs

• Quadrants

Multiple Choice

What is the letter is a the the ordered pair (0, 3)?

• A
• M
• R
• L

Multiple Choice

When plotting the point, (-4, 3), which describes the movement along the x-axis and y-axis in the correct order? 

• 4 units right then 3 units up
• 4 units down then 3 units left
• 4 units left then 3 units up
• 4 units up then 4 units right

Multiple Choice

If you were to plot the point (4, -12) what would be the correct method?

• Up 4, left 12
• Right 4, up 12
• Down 4, left 12
• Right 4, down 12

Multiple Choice

Which quadrant contains the point named by (2, 5)?

• Quadrant I
• Quadrant II
• Quadrant III
• Quadrant IV

Multiple Choice

In which quadrant is the following point?
(-3, 12)

• Quadrant I
• Quadrant II
• Quadrant III
• Quadrant IV

Multiple Choice

What are the coordinates for the origin on a coordinate plane?

• (0)
• (1,1)
• (0,0)
• (0,1)

Multiple Choice

What is the ordered pair for point A?

• ( 2, 0)
• ( 0 , 2)
• (0, -2)
• (-2,0)

Multiple Choice

What is at (1,2)?

• the moon
• the sun
• a blue planet
• a robot

Multiple Choice

What are the coordinates of the stadium?

• (2, 3)
• (-2, -3)
• (-2,3)
• (-6,0)

Multiple Choice

If you start at (0,0) and you run 2miles East and 4miles North. What plot would you be at on a coordinate grid?

• (2,4)
• (-4,2)
• (4,2)
• (-2,4)

Multiple Choice

Which quadrant is point S located in?

• I
• IV
• III
• II

Multiple Choice

Where is Point A on the coordinate plane?

• (7,4)
• (1,3)
• (9,3)
• (4,7)

Multiple Choice

The coordinates for the origin in the coordinate plane are________?

• (1,1)
• (0,0)
• (0,1)
• (1,0)

Multiple Choice

The two axes divide the coordinate plane into four ______________.

• axes
• quadrants
• coordinates
• ordered pairs

Multiple Choice

If both coordinate of a point are negative, in which quadrant is the point located?

• I
• II
• III
• IV

Multiple Choice

If both coordinates of a point are positive, in which quadrant is the point located?

• I
• II
• III
• IV

Multiple Choice

In an ordered pair the first number represents which axis?

• x
• y

Multiple Choice

How do you write an ordered pair?

• (X,X)
• (Y,X)
• (X,Y)
• (Y,Y)

Multiple Choice

Which axis runs horizontally?

• x
• y

Multiple Choice

Which axis runs vertically?

• x

• Y