Algebra Q2 Review

Algebra Q2 Review

Chapter 3

• Finding Slope

• Linear Equations

• Graphing Lines

y=mx+b

• m=slope

• b=y-intercept

• 
  

Open Ended

Find the slope between (1, 3) and (-3, 5)

Multiple Choice

Find the slope:

• 2
• -2
• 1/2
• -1/2

Multiple Choice

Find the slope of:
y - 3x = 1

• -3
• 1
• 3
• 0

Standard Form

• Ax + By = C

• Write y=2x+1 in standard form

Parallel and Perpendicular Lines

• What is the slope of the line parallel to 6x+y=5?

• What is the slope of the line perpendicular to 6x+y=5?

Graphing Systems

• 2x+2y=6

• 4x-6y=12

• Solution: (3,0)

• What other methods could we use to solve?

Multiple Choice

What is the solution to the system?

• (-1, 3)

• (-3, 1)

• (3, -1)

• (-3, -1)

Graphing inequalities

• When there's only 1 variable:

• x>2

Multiple Choice

What inequality does the number line graph represent?

• x≥ 3
• x > 3
• x < -3
• x ≤ 3

Multiple Choice

What inequality does the number line graph represent?

• x ≤ -4
• x ≥ -4
• x < -4
• x < 4

Graphing Inequalities

• When there's 2 variables:

•  $y\le\frac{1}{2}x-3$  

Multiple Choice

Which of the following inequalities matches the given graph?

• y ≤ 3/4 x + 3

• y ≥ -3/4 x + 3

• y < 3/4 x + 3

• y > -3/4 x + 3

System of Inequalities

• The solutions are wherever the shading overlaps.

Multiple Choice

Which point is a solution?

• (0, 6)
• (-3, 4)
• (1, 0)
• (-4, 3)

Poll

What is your favorite holiday?

• Christman

• Thanksgiving

• 4th of July

• Other

Multiple Choice

Solve: 2m+y, for m=3, y=7

• 13

• 12

• 7

• 6

Poll

Would you rather drink a jar pickle juice or drink a jar of olive juice?

• pickle juice

• olive juice

Poll

Would you rather lose the ability to read or lose the ability to speak?

• ability to read

• ability to speak

Poll

Would you rather always be 10 minutes late or always be 20 minutes early?

• 10 minutes late

• 20 minutes early