Algebra 1 Air Test Practice

In the equation y=mx+b, m is the ____.

• Slope
• Y-intercept
• X-intercept
• Origin

For the function {(0,1), (1,-3), (2,-4), (-4,1)}, write the domain and range.

• D: {1, -3, -4,}
  R: {0, 1, 2, -4}
• D: {-4, 0, 1, 2}
  R:{-4, -3, 1}
• D: {0, 1, 2, 3, 4}
  R:{1, -3, -4}
• D: {0, 1, 2, -4}
  R: {1, -3, -4, 1}

Identify the domain of the following relation:

• {-6, 14, 2, 28}
• {(-6,14), (0,32), (2,38), (4,44)}
• {-6, 0, 2, 4}
• {14, 32, 38, 44}

Find the x-intercept and y-intercept for this graph.

• (0,3) (0,6)
• (3,0) (0,6)
• (3,0) (6,0)
• (6,0) (0, 3)

Which statement below accurately represents the graph?

• $100 is earned for each hour worked
• $100 is earned for every 2 hours worked
• $500 is earned for every 8 hours worked
• $200 is earned for every 3 hours worked

Which of the following best describes   causation?  

• The temperate gets warmer and   more student pass their math test.
• The more a person exercises the   more calories they burn.
• Eating bread and higher death rates
• Day light saving time and more   people wear blue socks  

 
Find the line of best fit for the data given above.

• y = 2.4x + 128
• y = -2.4x + 128
• y = -2.4x - 128
• y = 2.4x - 128

Find the key features for the linear equation
2x + 3y = 12

• slope (2/3), y-intercept: 6, zero: 4
• slope (2/3), y-intercept: 4, zero: 6
• slope -(2/3), y-intercept: 4, zero: 6
• slope -(2/3), y-intercept: 6, zero: 4

Solve:
7x - 3x - 8 = 24

• 8
• -8
• 3.2
• 4

Solve:
3(x - 2) = 18

• 6.7
• 4
• 8
• -4