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Ninth Grade (Grade 9) Inequalities Questions

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Grade 9 Inequalities CCSS: HSA-REI.B.3
Solve. 1-x3<4
  1. x<-11
  2. x>-11
  3. x<11
  4. x>11
Grade 9 Inequalities
Which inequality is described by the statement: the difference of p and 7 is no less than 12?
  1. p7≥12
  2. 7-p>12
  3. p-7≥12
  4. 7p<12
Grade 9 Inequalities
Choose the best description of the graph represented by this inequality, y<-4x2+8x-5.
  1. opens down; dashed line; shading down inside parabola
  2. opens up; dashed line; shading up inside parabola
  3. opens down; solid line; shading down outside parabola
  4. opens up; solid line; shading up and outside parabola
Grade 9 Inequalities
Write in interval notation. -9<x≤4
  1. [-9,4)
  2. (-9,4]
  3. [-9,4]
  4. (-9,4)
  5. -9,4
Grade 9 Inequalities
What is the solution to 2h+8>3h-6?
  1. h<14
  2. h<145
  3. h>14
  4. h>145
Grade 9 Inequalities
When graphing y > 2x + 3, what type of boundary line do we graph and which half plane do we shade?
  1. dotted / below
  2. dotted / above
  3. solid / below
  4. solid / above
Grade 9 Inequalities
Both (7, 3) and (-4, -1) are solutions to the inequality y≥3x-2.
  1. True
  2. False
  3. Sometimes
  4. Not Enough Information
Grade 9 Inequalities
What will the graph of y≤-3x+2 look like?
  1. dashed line, shaded above
  2. solid line, shaded above
  3. dashed line, shaded below
  4. solid line, shaded below
Grade 9 Inequalities CCSS: HSA-REI.B.3
Solve: -8(r + 1) < -88
  1. r > 10
  2. r < 10
  3. r > 12
  4. r < 12
Grade 9 Inequalities CCSS: HSA-REI.B.3
Solve: 4y-1≥7or2y+5<17
  1. y≥2andy<6
  2. y≤2ory<6
  3. y≥2ory<6
  4. y<2ory≥6
Grade 9 Inequalities CCSS: HSA-REI.B.3
The solution set of 3y-2≤3(y-2) is which of the following?
  1. ℝ
  2. ∅
  3. y≤2
  4. y≥23
Grade 9 Inequalities
What is the slope-intercept form of the inequality 12x+4y≥8?
  1. y≥3x+2
  2. y≥-3x+2
  3. 4y≥12x+8
  4. 4y≥-12x+8
Grade 9 Inequalities
The point (2, 5) is a solution for the inequality y≥3x-1.
  1. Sometimes
  2. Yes
  3. Not Enough Information
  4. No
Grade 9 Inequalities
What will the graph of y>2x+4 look like?
  1. dashed line, shaded above
  2. solid line, shaded above
  3. dashed line, shaded below
  4. solid line, shaded below
Grade 9 Inequalities
Write in interval notation. x≥2
  1. [2,∞)
  2. (2,∞]
  3. [2,∞]
  4. (2,∞)
  5. (-∞,2)
Grade 9 Inequalities
What is the slope-intercept form of the inequality -3y+36≤12x?
  1. y≤-4x-12
  2. y≤-4x+12
  3. y≥-4x-12
  4. y≥-4x+12
Grade 9 Inequalities
Which point is part of the solution set of the inequality x<-12?
  1. (-15, 4)
  2. (13, -8)
  3. (-10, -15)
  4. (0,-9)
Grade 9 Inequalities CCSS: HSA-REI.B.3
Solve: 4y-2≥6or-3y+5<17
  1. y≥2andy<-4
  2. y≤2ory<-4
  3. y≥2ory>-4
  4. y<1ory≥223
Grade 9 Inequalities
What is the slope-intercept form of the inequality 2x-5y≤10?
  1. y≤25x-2
  2. y≤-25x+2
  3. y≥25x-2
  4. y≥-25x+2
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