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find x-intercepts using quadratic formula

Authored by Heather Richins

Mathematics

9th - 12th Grade

CCSS covered

Used 11+ times

find x-intercepts using quadratic formula
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13 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

What is this formula?

This is the standard formula.

This is the quadratic formula.

This is the square root formula.

This is the Pythagorean formula

Tags

CCSS.HSA-REI.B.4B

2.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

What should you do first in solving this equation?

x2 + 6x - 13 = 3

Factor

Write down: a = 1, b = 6, c = -13

Subtract 3 from both sides.

Add 3 to both sides.

Tags

CCSS.HSA-REI.B.4B

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Identify the values of A, B, and C


10p2 + 7p - 20 = 0

A=1, B=7, C=-20

A=10, B=7, C=20

A=10, B=-7, C=-20

A=10, B=7, C=-20

Tags

CCSS.HSA.REI.B.4

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Identify the values of A, B, and C


3m2 - 14 = 11m

A=3, B=-11, C=-14

A=3, B=-14, C=11

A=3, B=11, C=-14

A=3, B=-14, C=11

Tags

CCSS.HSA.REI.B.4

5.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Find the x-intercepts using the Quadratic Formula


y = 4x2 - 1x - 18

(2.25, 0) & (-2, 0)

(-2.25, 0) & (2, 0)

(2.24, 0) & (-1.99, 0)

(-2.24, 0) & (1.99, 0)

6.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Find the x-intercepts using the Quadratic Formula


6x2 = 2x + 60

(3.33, 0) & (-3, 0)

(-3.33, 0) & (2, 0)

(-5.98, 0) & (6.65, 0)

(5.98, 0) & (-6.65, 0)

7.

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

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