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Topic 9: Quadratic/Discriminant Formula

Authored by Sylvia Paredes

Mathematics

8th - 12th Grade

CCSS covered

Used 27+ times

Topic 9:  Quadratic/Discriminant Formula
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15 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is another word for zeros?

y-intercepts
roots
vertex
axis of symmetry

2.

MULTIPLE CHOICE QUESTION

2 mins • 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

3.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

The quadratic equation can be used to solve quadratic equations that cannot be factored.

True
False

Tags

CCSS.HSA-REI.B.4B

4.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Identify the 'a' value: y = 16x2 -8x -24

16
8
-8
-24

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Identify the 'b' value: y = 16x2 -8x -24

16
-8
8
-24

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Identify the 'c' value: y = 16x2 -8x -24

16
-8
8
-24

7.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Determine the values of

a, b, and c for the quadratic equation:

4x2 – 8x = 3

hint: the equation needs to be equal to 0.

a = 4, b = -8, c = 3

a = 4, b =-8, c =-3

a = 4, b = 8, c = 3

a = 4, b = 8, c = -3

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