Solutions to Quadratic Formula
Quiz
•
Mathematics
•
9th Grade
•
Practice Problem
•
Hard
Standards-aligned
Anthony Clark
FREE Resource
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15 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What should you do first in solving this equation?
x2 + 6x - 13 = 3
Get factored form
Write down: a=1, b=6, c=-13
Make it equal 0 by subtracting 3 on each side
Type it all in a calculator.
Tags
CCSS.HSA-REI.B.4B
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The discriminant is
ax2 + bx + c
b - 4ac
b2 - 4ac
b2 + 4ac
Tags
CCSS.HSA-REI.B.4B
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
If the discriminant equals 0, then the quadratic has:
1 Rational Solution
2 Rational Solutions
No solutions
2 Complex Solutions
Tags
CCSS.HSA-REI.B.4B
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
If the discriminant is positive but NOT a perfect square, then the quadratic has:
1 Rational Solution
2 Irrational Solutions
2 Rational Solutions
2 Complex Solutions
Tags
CCSS.HSA-REI.B.4B
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
If the discriminant is negative, then the quadratic has:
1 Rational Solution
2 Rational Solutions
2 Irrational Solutions
2 Complex Solutions
Tags
CCSS.HSA-REI.B.4B
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Use the quadratic formula to solve 2x2 + 2x - 12.
-2, 3
2, 3
2, -3
-2, -3
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