STAAR Algebra

Find the slope of the table

*HINT: Run a linear regression in desmos*

• -4

• 1

• -2

• 4

Find the slope (remember: rise over run)

• 1/3

• 3

• -1/3

• -3

Find the slope

*HINT: Run a linear regression in desmos*

• 1/3

• 3

• -3

• -1

Find the slope of the 2 points: (0,4) and (3,10)

*HINT: Run a linear regression in desmos*

• 3/14

• 2

• 3/6

• 1/2

Which is the graph of y=-x+2?

• A

• B

• C

• D

Write the equation of the line.

• y=(3/5)x+1

• y=(3/5)x-1

• y=(5/3)x+1

• y=(3/5)x+1

Write down the equation of this line.

• y= 2x+1

• y= −2x+1

• y= 2x−½

• None of the above

What is the y-intercept of the graph?

• (4, 0)

• (-2, 0)

• (0, 4)

• (0, -2)

Which statement best describes the y-intercept of the graph?

• The initial water level was 14 feet.

• The initial water level was 16 feet.

• After 8 days, the water level was 18 feet.

• The water level stops at 14.

What is the solution?

• (1, -1)

• (-1, 1)

• (0, -2)

• (0, 1)