Solve Trinomials with Quadratic Formula
Authored by Anthony Clark
Mathematics
9th Grade
CCSS covered
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20 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the quadratic formula used for?
The quadratic formula is used to calculate the area of a circle.
The quadratic formula is used to find the sum of two numbers.
The quadratic formula is used to solve quadratic equations.
The quadratic formula is used to determine the volume of a cube.
Tags
CCSS.HSA-REI.B.4B
2.
REORDER QUESTION
1 min • 2 pts
Put the steps for using the Quadratic Formula in the correct order.
Simplify under the radical
Make sure the equation is set equal to 0 and written in standard form.
Solve the baby equations
Substitute a, b, and c into the formula.
Identify a, b, and c.
Tags
CCSS.HSA-REI.B.4B
3.
MULTIPLE CHOICE QUESTION
1 min • 2 pts
x = -3 or x = -2
x = 4 or x = 1
x = 2 or x = 3
x = 5 or x = 0
Tags
CCSS.HSA-REI.B.4B
4.
MULTIPLE SELECT QUESTION
1 min • 1 pt
What three methods of solving quadratics have we learned?
Completing the Square
The Quadratic Formula
By Square roots
Perfect Square Trinomials
Tags
CCSS.HSA-REI.B.4B
5.
MULTIPLE SELECT QUESTION
1 min • 1 pt
Select the solutions to the equation
4x2 + 11x + 7 = 0
x = - 1.75
x = 6
x = - 1
x = 1
6.
LABELLING QUESTION
1 min • 1 pt
-1
6
-6
5
-4
1
-5
7
4
2
Tags
CCSS.HSA-REI.B.4B
7.
DROPDOWN QUESTION
1 min • 1 pt
no solution
no real numbers
7
-8
11
19.29
4.39
0.56
0.16
Tags
CCSS.HSA-REI.B.4B
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