Linear Function and Inequalities

Does the sign need to flip when solving?
-2x ≥ 22

• YES

• NO

Consider the function y < 2x+3. Which is true?

• The line would be solid with shading above.

• The line would be dashed with shading above.

• The line would be solid with shading below.

• The line would be dashed with shading below.

Which linear inequality matches the graph?

• y ≤ -2x - 1

• y ≥ -2x - 1

• y ≤ 2x - 1

• y ≥ 2x - 1

When graphing an inequality, which symbols tell you to use a dashed line?

• <, >

• ≤, ≥

Solve the linear inequality.

• x < 0

• x > 0

• x < 3

• x > 3

What function is defined by f(x) = mx + b, where m is the slope and b is the y-intercept, m and b ∈ ℜ?

• Constant Function

• Linear Function

• Quadratic Function

• Cubic Function

Which of the following is a linear inequality in two variables?

• 4x − 5 > 9

• x + 4y = 7

• 2x − 3y ≥ 10

• 6 + 7y < 11

It indicates that the points are part of the solutions of the inequality.

• Dotted Line

• Broken line

• Dashed Line

• Solid Line

How many solutions does a linear inequality in two variables have?

• 0

• 2

• 1

• Infinite

Which of the following is a system of linear inequalities in two variables?

• 3m + 2n ≤ 4

  4m – 3n ≥ 10

• 4a - 3b =5

  a + 2b = 7

• 3x ≥ 16

  y ≥ 15

• 7c + 3d < 8

  5c – 7 = 10