Quadratic Formula

Presentation

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Mathematics

•

9th Grade

•

Medium

•

CCSS

HSA.REI.B.4, HSF-IF.C.7A, HSA.REI.C.7

Standards-aligned

Blake Emerton

Used 731+ times

FREE Resource

8 Slides • 12 Questions

Quadratic Equation

Multiple Select

X intercepts are also called....

Solutions

Parabolas

Roots

Puppies

Multiple Choice

Given a graph, how can you find the "solutions" to a quadratic?

Copy off neighbor

Plug into calculator

Solutions are where the quadratic crosses the x axis

Magic 8 Ball

Multiple Choice

How many solutions do quadratics have?

At least 2

infinite

Multiple Select

What are the green dots called?

roots

vertex

solutions

x intercepts

Multiple Choice

What are the x- intercepts?

(0,0) and (0,4)

(0,0) and (4,0)

y= 0

x= 2

Multiple Choice

Use the graph to determine the solutions.

-1 and -3

1 and -3

1 and 3

-1 and 3

The standard form of a quadratic equation is ax²+bx+c

What are the values for a, b and c in the following quadratic equations?

3x²+5x-1=0 2x²-7x=10

Multiple Choice

Determine the values of
a, b, and c for
the quadratic equation:
4x² – 8x = 3
*remember right side should =0

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

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

a = 4, b = 8, c = 3

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

Multiple Choice

Identify a, b, and c in: x²−6x+14

a=3,b=5,c=9

a=1,b=-6,c=14

a=1,b=-6,c=-14

a=1,b=6,c=14

Multiple Choice

Determine the values of a, b, and c for the quadratic equation:

4x² – 8x = 3

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

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

a = 4, b = 8, c = 3

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

Multiple Choice

What are the zeros of

$f\left(x\right)=x^2+7x-18$ ?

$x=-2,\ -9$

$x=2,\ -9$

$x=-2,\ 9$

$x=2,\ 9$

Multiple Choice

Solve using the quadratic formula:

4x²+ 4x + 1 = 0

x = -½

x = -2

x = 0

x = ½

Multiple Choice

Use the quadratic formula to find the solutions for

y = -x² - 5x + 12

No Real Solution

Quadratic Equation

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