3/19 Quadratic Formula

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Mathematics

•

9th Grade

•

Medium

LORA LYONS

Used 7+ times

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3 Slides • 6 Questions

3/19 Quadratic Formula

-What does the discriminant tell us?

Multiple Choice

The discriminant is...

$\sqrt{b^2-4ac}$

$b^2-4ac$

$\frac{\left(-b\pm\sqrt{b^2-4ac}\right)}{2a}$

$ax^2+bx+c$

Multiple Choice

If $b^2-4ac\ >0$ ...

There is ONE solution

There will be TWO solutions

There are NO real solutions

Multiple Choice

If $b^2-4ac\ =0$ ...

There is ONE solution

There will be TWO solutions

There are NO real solutions

Multiple Choice

If $b^2-4ac\ <0$ ...

There is ONE solution

There will be TWO solutions

There are NO real solutions

Multiple Choice

Given the equation $7x^2+2x+5=0$ determine the number of solutions without fully solving.

1 solution

2 Solutions

No Real Solutions

Multiple Choice

Do you know what the Q3 project is?

yes

Would you like extra practice with the quadratic formula and discriminants?

Go to deltamath.com and find the assignment: "Quadratic Formula Extra Practice"

3/19 Quadratic Formula

-What does the discriminant tell us?

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