Quadratic formula

Quadratic formula

Assessment

Flashcard

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Mathematics

9th - 11th Grade

Hard

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18 questions

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1.

FLASHCARD QUESTION

Front

Solve Using the Quadratic Formula
 x2 + 4x - 40 = -8

Back

-8 & 4

2.

FLASHCARD QUESTION

Front

Back

C

3.

FLASHCARD QUESTION

Front

Solve 2x2 + 2x - 12 using the quadratic formula.

Back

2, -3

4.

FLASHCARD QUESTION

Front

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

Back

a=1, b=5, c=7

5.

FLASHCARD QUESTION

Front

Solve    
2x2 + 7x - 15 = 0

Back

-5 or 1.5

6.

FLASHCARD QUESTION

Front

Solve using the quadratic formula: 9x2 = 4 + 7x

Back

x = 1.16, and x = -.38

7.

FLASHCARD QUESTION

Front

Back

A

8.

FLASHCARD QUESTION

Front

How many solutions does the equation 4x2 + 4x + 1 = 0 have?

Back

1

9.

FLASHCARD QUESTION

Front

2x2-8x-24=0

Back

x= 6, -2

10.

FLASHCARD QUESTION

Front

Use the quadratic formula to find the solutions for
y = -x2 - 5x + 12

Back

-6.77 and 1.77

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