Quadratic Formula Quick Check

Quadratic Formula Quick Check

Assessment

Flashcard

Mathematics

8th Grade

Hard

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9 questions

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1.

FLASHCARD QUESTION

Front

Determine the values of a, b, and c for the quadratic equation: 4x2 – 8x = 3

Back

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

2.

FLASHCARD QUESTION

Front

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

Back

2, -3

3.

FLASHCARD QUESTION

Front

The discriminant is

Back

b2 - 4ac

4.

FLASHCARD QUESTION

Front

For the function y = x² + 4x + 4, is the discriminant positive, negative, or zero?

Back

Zero

5.

FLASHCARD QUESTION

Front

What is the discriminant of -2x2 − x − 1 = 0?

Back

-7

6.

FLASHCARD QUESTION

Front

A function has a discriminant of 25.
______________
How many solutions does it have?

Back

2

7.

FLASHCARD QUESTION

Front

A function has a discriminant of -3.
How many x-intercepts does it have?

Back

0

8.

FLASHCARD QUESTION

Front

Which equation is the standard form of a quadratic function? Options:

f(x) = mx + b

,

f(x) = a(x - m)(x - n)

,

f(x) = ax2 + bx + c

,

f(x) = a(x - h)2 + k

Back

f(x) = ax2 + bx + c

9.

FLASHCARD QUESTION

Front

What is this formula? Options: This is the speed of light formula., This is the quadratic formula., This is the zero product property., This is scary.

Back

This is the quadratic formula.