Algebra II Test #3

Luka and Dana are making cookies for the Humble Pantry. They only have up to 6 hours to bake! They can bake 32 chocolate chip cookies in an hour (x), and 20 snickerdoodle cookies in an hour (y). They need to make at least 150 cookies. Which inequalities represent the situation?

Write the system of inequalities for the given graph?

Tags

CCSS.HSA.REI.D.12

A system of two linear inequalities in two variables has no solution if the regions do not overlap, which can happen when...

• the boundary lines have slopes of different signs

• the boundary lines are parallel

• the boundary lines are perpendicular

• one boundary line has an undefined slope and the other has a zero slope

Tags

CCSS.HSA.REI.D.12

Solve the system of inequalities by graphing.

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Tags

CCSS.HSA.REI.D.12

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Tags

CCSS.HSA.REI.D.12

When graphing an inequality, you use a dotted line when you use which symbol?

• <, >
• ≤, ≥ 

Tags

CCSS.HSA.REI.D.12

The solution of a system of linear equations is...

• the y-intercept (b)
• the intersection of the two equations on a graph
• the second equations' answers
• the slope (m)

Tags

CCSS.8.EE.C.8B

Which of the following are ways to solve systems of equations? 

• Graphing
• Substitution
• Elimination
• All of the above

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

What is the value of the y-coordinate in this system of linear equations?

6x + 10y = -32 and 6x + 9y = -27

• y = 5

• y = 0

• y = -5

• y = 1

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

When both lines in a system are identical, the system has __________________.

• infinite solutions

• one solution

• no solution

• parallel solutions

Tags

CCSS.8.EE.C.8A