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Quadratics

Authored by Anthony Clark

Mathematics

9th Grade

CCSS covered

Quadratics
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15 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

MINIMUM

MAXIMUM

CANNOT BE DETERMINED

Tags

CCSS.HSF-IF.C.7A

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

MINIMUM, because the value of "a" is positive.

MAXIMUM, because "a" times "c" is -12.

CANNOT BE DETERMINED

Tags

CCSS.HSF-IF.C.7A

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

If a quadratic equation has only 1 solution, it must pass through the origin (0, 0).

TRUE

FALSE

Tags

CCSS.HSF-IF.C.7A

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

If a quadratic equation in standard form has a negative c-value, the parabola opens downward.

[y = ax2 + bx + c]

TRUE, "c" controls the direction of the parabola.

FALSE, "a" controls the direction of the parabola.

Tags

CCSS.HSF-IF.C.7A

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

If the "bx" term is missing in a standard form quadratic, the equation for the axis of symmetry is x = 0.

(example: y = -2x2 - 10)

TRUE

FALSE

6.

MULTIPLE CHOICE QUESTION

1 min • 5 pts

Choose the best method to solve this quadratic:

​ (a)  

3x2 - 21 = 3

Square Roots

ZPP

Quadratic Formula

Tags

CCSS.HSA-REI.B.4B

7.

MULTIPLE CHOICE QUESTION

1 min • 5 pts

Choose the best method to solve this quadratic:

​ (a)  

-3 = 4x2 + 9x

Quadratic Formula

Square Roots

ZPP

Tags

CCSS.HSA-REI.B.4B

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