Review EOC test

Perpendicular Lines and Equations

Multiple Choice

Are the lines parallel, perpendicular, or neither?
y = 3x – 7
y = 3x + 1

• Parallel
• Perpendicular 
• Neither

Different y-intercepts!

Multiple Choice

Are the equations parallel, perpendicular, or neither?

• Parallel
• Perpendicular
• Neither

Multiple Choice

Parallel lines have __________ slopes

• Equal
• Opposite
• Reciprocal 
• Total

Multiple Choice

Slopes of perpendicular lines are...

• opposite reciprocals.
• opposites.
• identical.
• always 7.

Multiple Choice

What is the slope of a line perpendicular to -10/3

• -10/3

• 10/3

• 3/10

• -3/10

Multiple Choice

What slope is parallel to:  
m = 3/4

• 4/3
• 3/4
• -3/4
• -4/3

Multiple Choice

Line 1: $$\left(-1,\ 2\right),\ \left(2,\ 3\right)$$  
Line 2:  $$\left(0,\ 0\right),\ \left(3,\ 1\right)$$  
These two lines are ______________________

• Parallel

• Perendicular

• Neither

Multiple Choice

Which of the following lines goes through the point (0, 4) and is parallel to y = 5x - 3?

• y = 1/5x - 3
• y= 5x - 7
• y = 5x + 4
• y = -5x - 3

Multiple Choice

Which of the following lines goes through the point        (-3, 4) and is perpendicular to  y = 3/2x + 6?

• y = 3/2x - 6
• y = 2/3x + 3
• y = -2/3x - 2
• y = -2/3x + 2

Multiple Choice

Write the equation of a line PERPENDICULAR to the line y = 3x + 2 that passes through the point (9, -2)

• y = -1/3x - 5

• y = 3x-29

• y = 1/3x -5

• y = -1/3x +1

Writing Linear Inequalities from Graphs

Multiple Choice

Choose the inequality that best matches the graph.

Multiple Choice

• y < 3/5x - 5
• y > 3/5x - 5
• y ≤ 3/5x - 5
• y ≥ 3/5x - 5

Multiple Choice

• y < -4 
• y > -4
• y ≤ -4 
• y ≥ -4 

Multiple Choice

Choose the inequality that best matches the graph.

Graphing Systems of Linear Equations

Multiple Choice

What is the solution to a system of equations?

• The point that the equations have in common.

• The point where the two lines intersect.

• All of the above.

Multiple Choice

The ordered pair that satisfies (makes them true) all equations in the system is a called a ________________.

• system of equations

• function

• graph

• solution of a system

Multiple Choice

^{What is the solution?} 

• 1
• -2
• (1, 2)
• (1, -1)

Multiple Choice

Which graph is the solution for this system of equations?

Multiple Choice

How many solutions will this system have?

• No Solution
• Infinitely Many Solutions
• No Clue
• One solution

Multiple Choice

How many solutions will this system have? 

• No solution
• One Solution
• I Don't Know
• Infinitely Many Solutions

Multiple Choice

If a system of linear equations has infinitely many solutions, what does this mean about the two lines? 

• Intersecting lines
• Same line
• Parallel lines

Multiple Choice

If a system of linear equations has one solution, what does this mean about the two lines? 

• Parallel lines
• the same line 
• Intersecting lines

Multiple Choice

Solve the following system by graphing.  What is the solution?

• (3, -1)
• (-1, -3)
• (-1, -1)
• (-1, 3)

Multiple Choice

Solve this system of equations by graphing.

y = 1/2x + 2

y = -3x + 9

• (2, 3)

• (-2, -3)

• (3, 2)

• (-3, 2)

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