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7.5 (9.5) Part 1 Quadratic Formula- Discriminant

Authored by Trent Tietje

Mathematics

9th Grade

CCSS covered

Used 9+ times

7.5 (9.5) Part 1 Quadratic Formula- Discriminant
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10 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 12 pts

The discriminant is

aX2  + bX  +  c
b - 4ac
b2 - 4ac
b2 + 4ac

Tags

CCSS.HSA-REI.B.4B

2.

MULTIPLE CHOICE QUESTION

1 min • 12 pts

Media Image

____________
For the function above, is the discriminant positive, negative, or zero?

Positive
Negative
Zero
Not Sure

Tags

CCSS.HSA.REI.B.4

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

____________
For the function above, is the discriminant positive, negative, or zero?

Positive
Negative
Zero
Not Sure

Tags

CCSS.HSA-SSE.B.3B

CCSS.HSF-IF.C.8A

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

True or false:
The solution, root, x-intercept, and zero of a problem are all the same thing

True
False, because the solution and root are the same but the x-intercept and zero are different
False, because the x-intercept and root are the same but the zero and solution are different
False, they are all different

Tags

CCSS.HSA.REI.D.11

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

.How many roots does this parabola have?

3

2

0

1

Tags

CCSS.HSF-IF.C.7A

6.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

In the equation
y = x2 +5x +7, match each leading coefficient with its correct letter 

a=0, b=5, c=7
a=1, b=5, c=7
a=7, b=5, c=1

Tags

CCSS.HSA.APR.A.1

CCSS.HSA.SSE.A.1

7.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

For the function below, is the discriminant positive, negative, or zero?


y = x² + 4x + 4

Positive

Negative

Zero

Tags

CCSS.HSA-REI.B.4B

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