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Common Core Standard HSA-REI.B.4 Questions

Solve quadratic equations in one variable.

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Grade 10 Quadratic Equations and Expressions CCSS: HSA-REI.B.4, HSA-REI.B.4b
Find the exact solutions to x2-3x+1=0 by using the Quadratic Formula.
  1. -3±√52
  2. 3±√132
  3. -3±√132
  4. 3±√52
Grade 10 Quadratic Equations and Expressions CCSS: HSA-REI.B.4, HSA-REI.B.4b
Solve:
2x2+7x+3=0
Grade 9 Quadratic Equations and Expressions CCSS: HSA-REI.B.4, HSA-REI.B.4b
Find the solution of the following equation.

x2-3x-40=0
  1. x = -5, -8
  2. x = -5, 8
  3. x = 5, -8
  4. x = 5, 8
Grade 9 Quadratic Equations and Expressions CCSS: HSA-REI.B.4, HSA-REI.B.4b
Solve for x if x2-2x-35=0.
  1. -5 and 7
  2. -7 and 5
  3. 5 and 7
Grade 10 Quadratic Equations and Expressions CCSS: HSA-REI.B.4, HSA-REI.B.4b
(x + 15)(x - 15) = 0
  1. x = 0, 0
  2. x = 15, 15
  3. x = -15, 15
  4. x = -15, -15
Grade 10 Quadratic Equations and Expressions CCSS: HSA-REI.B.4, HSA-REI.B.4b
Use the quadratic formula to solve.
5x2-3x-1=0
  1. No solution
  2. x=0.8385, -0.2385
  3. x=-0.8385, 0.2385
  4. x=0.8385, 0.2385
Grade 10 Quadratic Equations and Expressions CCSS: HSN-CN.C.7, HSA-REI.B.4, HSA-REI.B.4b
Solve. 3x2-2x+4=0
Grade 9 Quadratic Equations and Expressions CCSS: HSA-REI.B.4, HSA-REI.B.4b
Solve for x if x2+9x+18=0.
  1. 3 and 6
  2. -3 and -6
  3. -3 and 6
Grade 10 Quadratic Equations and Expressions CCSS: HSA-REI.B.4, HSA-REI.B.4b
(3x-2)(x-6)=0
  1. x=23,6
  2. x=-23,6
  3. x=-23,-6
  4. x=23,-6
Grade 10 Quadratic Equations and Expressions CCSS: HSA-REI.B.4, HSA-REI.B.4b
Solve for x.
x2+2x-8=0
  1. -4 and 2
  2. 4 and 3
  3. 5 and 2
  4. 6 and 3
Grade 10 Quadratic Equations and Expressions CCSS: HSN-CN.C.7, HSA-REI.B.4, HSA-REI.B.4b
Solve. 9x2+3x+7=0
Grade 9 Quadratic Equations and Expressions CCSS: HSA-REI.B.4, HSA-REI.B.4b
Solve for x.
x2+x=12
  1. 6, -2
  2. -3, -4
  3. -4, 3
  4. -2, 6
Grade 10 Quadratic Equations and Expressions CCSS: HSA-REI.B.4, HSA-REI.B.4b
Solve for x. Check your work.
x2+3x-4=0
Grade 10 Quadratic Equations and Expressions CCSS: HSA-REI.B.4, HSA-REI.B.4b
(4x+5)(3x-7)=0
  1. x=54,73
  2. x=-54,-74
  3. x=-54,73
  4. x=54,-73
Grade 10 Quadratic Equations and Expressions CCSS: HSN-CN.C.7, HSA-REI.B.4, HSA-REI.B.4b
Solve the quadratic equation using the quadratic formula.

x2-2x+5=0
  1. 3,-1
  2. 1±2i
  3. 2±4i
  4. No solution
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