Unit 4 review

Unit 4 review: Linear Relationships

Algebra 1

Open Ended

In slope-intercept form (y=mx+b) what does m represent? What about b?

(m represents... b represents... )

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Open Ended

1. Find the equation of this table (y=mx+b).

Open Ended

2. Find the equation of this table (y=mx+b).

Open Ended

3. Find the equation of this table (y=mx+b).

(Hint: How can we find b?)

Open Ended

What is the standard form of a linear equation? What is it useful for?

(The standard form is... It's useful for... )

Open Ended

Explain how you can find the x-intercept and y-intercept of a line using standard form.

(To find the x-intercept, ... To find the y-intercept... )

Open Ended

4. Find the x and y intercepts of this equation:

7y - 4x = 48

Open Ended

QUIZZIZ ONLY

Matt finds the intercepts of the equation 2x - 4y = 12 to graph. He says the x-intercept is (0, 6) and the y-intercept is (-3, 0). Is he correct? Why or why not?

Multiple Choice

QUIZZIZ ONLY

A line has a slope of 4 going through the point (1, 6).

What information are you given about y=mx+b?

• m=4

  x=1

  y=6

• m=4

  b=1

• m=4

  x=6

  y=1

• b=4

  x=1

  y=6

Multiple Choice

WORKSHEET + QUIZZIZ

5. Write the equation of a line with a slope of 4 going through the point (1, 6).

• 6 = 4(1) + 2

• y = 4x + 2

• y = 6x + 1

• y = 4x + 6

Multiple Choice

WORKSHEET + QUIZZIZ

A line goes through the points (3, 4) and (5, 8). What should you do FIRST to find the equation?

• Find the slope (m)

• Find y-intercept (b)

• Plug in x and y

Open Ended

QUIZZIZ ONLY

Describe how to graph an equation in slope-intercept form (y = mx + b).

(First, .... Then, ....)

Draw

Graph the equation y = -3/2 x + 4

Draw

Graph the equation y = 3x - 5

Open Ended

QUIZZIZ ONLY

Describe how to graph an equation in standard form (ax + by = c).

(First, .... Then, ....)

Draw

Graph the equation 4x - 4y = 24

Draw

Graph the equation 9y + 3x = 18