Unit 4 Review-2020

How can I tell if the graph of an inequality will have a solid line?

• It has just an equal sign.
• The symbol is greater than.
• The symbol has "or equal to."
• You just guess.

Tags

CCSS.HSA.REI.D.12

Do I need to flip my sign?
2x -3y  ≥ 12

• Yes
• No

Tags

CCSS.HSA.REI.B.3

Which point below is NOT part of the solution set?

• (0, 0)
• (-10, -10)
• (-1, 5)
• (5, 20)

Tags

CCSS.HSA.REI.D.12

Select the graph for 5x+ y ≤  -1 .

• A
• B
• C
• D

Tags

CCSS.HSA.REI.D.12

Write the linear inequality in standard form for this situation: In order to raise money to attend upcoming competitions, the Math Pentathalon team is selling apple cider and hot chocolate. They hope to make at least $240 by selling hot chocolate for $1 a glass and hot apple cider for $2 a glass.

• x + 2y < 240
• x + 2y > 240
• x + 2y ≤ 240
• x + 2y ≥ 240

Tags

CCSS.HSA.CED.A.2

CCSS.HSA.CED.A.3

Consider the function y < 2x+3. Which is true?

• The line would be solid with shading above.
• The line would be dashed with shading above.
• The line would be solid with shading below.
• The line would be dashed with shading below.

Tags

CCSS.HSA.REI.D.12

Which of the following equations match the given graph?

• y ≥ (2/5)x + 1
• y ≥ (-2/5)x + 1
• y ≤  (2/5)x + 1
• y ≥ (-2/5)x - 1

Tags

CCSS.HSA.REI.D.12

Slopes of parallel lines are...

• opposite reciprocals.
• opposites.
• the same.
• always 7.

Tags

CCSS.HSG.CO.A.1

CCSS.4.G.A.1

Slopes of perpendicular lines are...

• opposite reciprocals.
• opposites.
• the same.
• always 7.

Tags

CCSS.HSG.GPE.B.5

CCSS.HSG.CO.A.1

-6x + y = 2
6x + y = 2
These lines are...

• Parallel
• Perpendicular
• Neither

Tags

CCSS.8.EE.C.8B