COAL 11/13

COAL 11/13

Inequalities in 1-Variable Review

Multiple Choice

When you graph an inequality, you used a closed dot when you use which symbols?

• ≤, ≥

• <, >

Multiple Choice

What is the rule for two-step inequalities when multiplying or dividing by a negative coefficient.

• No change

• Flip the sign

• What's an inequality?

• Get rid of the negative sign

Multiple Choice

Match the graph with its inequality.

• 11 < a

• 11 > a

• 11 ≤ a

• 11 ≥ a

Multiple Choice

When graphing b< 6 would you use an open or closed circle?

• Open

• closed

Multiple Choice

What are two solutions to x < 8?

• 8.6, 7.9

• 11, 16

• 0.8, 5.9

• 12, 7.1

Multiple Choice

Match this number line

to its correct solution.

• x > 1

• x > 1

• x < 1

• x < 1

Multiple Choice

Solve the inequality:

2x + 5 > 2x + 8

• x > 3

• x > –3

• Infinite Solutions

• No Solution

Multiple Choice

Solve for x

6x − 7 > 2x + 17

• x > 6

• x < 6

• x > 7

• x < 7

Multiple Choice

When graphing an inequality, you use an open dot when you use which symbol?

• <, >

• ≤, ≥

Multiple Choice

Chlorine levels must stay under 8ppms in order to be safe for swimmers.

• >

• >

• <

• <

Multiple Choice

You need no less than a 90 to earn an "A" on your Report Card.

• <

• >

• >

• <

Multiple Choice

Graph the solution set of the inequality.

–4a ≤ –28

Multiple Choice

Solve the inequality:

4n – 5 < 4(n – 2) + 9

• n < 6

• n < 4

• Infinite Solutions

• No Solution

Multiple Choice

Solve for x

−2x ≥ 16

• x ≥ −8

• x ≤ −8

• x ≥ −32

• x ≤ −32

Multiple Choice

Little Italy's special events room can seat at most 50 guests.

• >

• >

• <

• <

Multiple Choice

Solve the linear inequality.

• x > 1

• x > 5

• x > -1

• x < -1

Multiple Choice

You must be at least 16 years old to drive a car.

• >

• <

• <

• >

Multiple Choice

Triniti had $500 in a saving account at the beginning of the summer. She wants to have at least $200 in the account by the end of the summer. She withdraws $25 each week for food, clothes, and movie tickets. Which inequality represents her situation?

• 200 + 25x ≥ 500

• 500 + 25x ≥ 200

• 500 - 25x ≥ 200

• 500 - 25x ≤ 200

Multiple Choice

Joan needed $100 to buy a graphing calculator for her math class. Her neighbor will pay her $5 per hour to babysit and her Father gave her $10 for mowing the lawn. Which inequality represents the minimum amount of hours she will need to babysit in order for her to buy her calculator?

• 5x + 10 ≥ 100

• 5x - 100 ≥ 10

• 10x + 5 ≤ 100

• 5x + 10 > 100

Graphing Linear Equations Review

Multiple Choice

If m=3 and b=6, what is the correct slope intercept equation?

• y=3-6

• y=3x-6

• y=3x+6

• y=6x+3

Multiple Choice

Which graph has a slope of

 $\frac{1}{3}$  ?

Multiple Choice

Which line has a y-intercept of -5?

Multiple Choice

Find the value of y when x = 2.

• 2
• 6
• 7
• 8

Multiple Choice

When you graph a line using slope-intercept form, you plot the  ___________ first and then the ___________.

• origin; slope 
• slope; y-intercept
• y-intercept; x-intercept
• y-intercept; slope

Multiple Choice

Y-intercept is where the line ______________.

• begins
• crosses the x-axis 
• crosses the y-axis 
• ends

Multiple Choice

Which of the function(s) above are linear?

• Function I, only
• Function II, only
• Function I and Function II, only
• Function I, Function II, and Function III

Multiple Choice

Which table is correct for y=4x+3?

Multiple Choice

Graph. y = 2/3x - 3

• a

• b

• c

• d

Multiple Choice

Which equation represents the following graph?

• y = 3x + 2

• y = -2x + 3

• y = 2x + 3

• y = -3x + 2

Multiple Choice

Which is the graph of y= -x + 2?

• A

• B

• C

• D

Multiple Choice

What type of slope does the following graph have?

• Postive

• Negative

• Zero Slope

• Undefined

Multiple Choice

What is the slope in the equation: y=4x+3

• 3

• 4x

• 4

• x

Multiple Choice

Identify the y-intercept for the function:
y=-3x

• -3
• 0
• 1
• -1

Multiple Choice

Which graph represents the table?

Multiple Choice

Which graph represents the equation  $y=4x-1$  

Multiple Choice

Which graph represents the table?

Multiple Choice

_{What is the y-intercept of the line?}

• y = 1/2

• y = 1

• y = -1/2

• y = -1