Solve Quadratics

Solve Quadratics

4th Grade

21 Qs

quiz-placeholder

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Solve Quadratics

Solve Quadratics

Assessment

Quiz

Physics

4th Grade

Medium

Created by

Caiti Marie Ewing

Used 1+ times

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21 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Solve by taking square roots:

5b2 - 4 = 41

b = 9, b = -9

b = 3, b = -3

b = 8, b = -8

no real solution

2.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

What should you do first to solve this equation using quadratic formula?

x2 + 6x - 13 = 3

Get factored form

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

Make it equal 0 by subtracting 3 on each side

3.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Media Image

which of the following show the quadratic formula being used properly?

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which equation matches these solutions? x=5,-7

(x+5)(x-7)=0
(x-5)(x+7)=0
(x+5)(x+7)=0
(x-5)(x-7)=0

5.

MULTIPLE CHOICE QUESTION

5 mins • 12 pts

Media Image

Find the zeros of this quadratic.

b=4/5, b=3
b=4, b=-3
b=1/5, b=3
b=4/5, b=-3

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

If the discriminant is zero, you will have ...

no real solutions

2 real solutions

1 real solution

3 real solutions

7.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

To solve a quadratic by graphing is to find where the parabola crosses the x-axis. We call these the ___. Select all that apply.

zeros

x-intercepts

solutions

roots

y-intercept

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