A2 - Linear Inequalities

Which point below is NOT part of the solution set?

• (0, 0)
• (-10, -10)
• (-1, 5)
• (5, 20)

Which of the following equations match the given graph?

• x ≥ -1
• x ≤ -1
• x > -1
• x < -1

Which of the following equations match the given graph?

• y ≤ -5/4 x + 3
• y ≥ -5/4 x + 3
• y < -5/4 x + 3
• y > -5/4 x + 3

Consider the inequality:
y= -x + 4
Identify the slope and y-intercept.

• m=4, b=-x
• m=-x, b=4
• m=1, b=4
• m=-1, b=4

What inequality does the number line graph represent?

• x ≥ 3
• x > 3
• x < -3
• x ≤ -3

• y ≤ 2x - 4
• y ≥ 2x - 4
• y < 2x - 4
• y > 2x - 4

Find the slope

• 4/5
• 5/4
• -5/4
• -4/5

Find the slope

• -2/3
• 3/2
• -3/2
• 2/3

What is the definition of x-intercept?

• The point where the graph of the line crosses the x-axis.
• The point where the graph of the line crosses the y-axis.
• The point where the graph of the line crosses the z-axis.
• The point where the graph of the line crosses the c-axis.

What is the definition of y-intercept?

• The point where the graph of the line crosses the x-axis.
• The point where the graph of the line crosses the y-axis.
• The point where the graph of the line crosses the z-axis.
• The point where the graph of the line crosses the c-axis.