Solving Quadratics Using Completing the Squares

Solving Quadratics Using Completing the Squares

9th Grade

11 Qs

quiz-placeholder

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Solving Quadratics Using Completing the Squares

Solving Quadratics Using Completing the Squares

Assessment

Quiz

Mathematics

9th Grade

Hard

Created by

Anthony Clark

FREE Resource

11 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Subtract 21 from each side of the equation.

Add 21 to each side of the equation.

Divide -10 by 2, square it, and then add 25 to each side.

Divide -10 by 2, square it, and then subtract 25 from each side.

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Solve by completing the square.
r2 -17r - 56 = 4

(20, -3)

(8, -1)

(5.6, 1.4)

(9.4, -2.4)

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Solve by completing the square.
x2 - 5 = -7x

(-6, -13)

No Solution

(0.7, -7.7)

(7, 4)

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Solve by completing the square.
4b2 - 16b - 86 = -2

(20.2, -4.2)

(7, -3)

(10.1, -2.1)

No Solution

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Solve by completing the square.
6x2 +12x -38 = 10

(3, -5)

(0.4, -2.4)

(4.4, -2.4)

(2, -4)

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Solve by completing the square.
x2 +12x = 5

X = 6 + √41 or  6 − √41

X= 35 or 47

X = −6 + √41 or  −6 − √41

X = √35 or √47

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is the first step to solving THIS equation by completing the square?
a2 + 10a + 21 = 0

Set the equation equal to zero

Divide 10 by 2 and add the result to both sides

Add a2 and 10a together

Subtract the 21

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