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Worksheets

Activity in Math

Total questions: 13

Worksheet time: 13mins

Name
Class
Date
1.

  What is the standard form of the quadratic equation 18a+1=a2\frac{1}{8}a+1=a^2 ?

a)

a2+18a+1=0a^2+\frac{1}{8}a+1=0

b)

a2+18a−1=0a^2+\frac{1}{8}a-1=0

c)

a2−18a−1=0a^2-\frac{1}{8}a-1=0

d)

a2−18a+1=0a^2-\frac{1}{8}a+1=0

2.

  What is the standard form of a quadratic equation?

a)

ax2+bx+c=0ax^2+bx+c=0

b)

ax3+bx2+c=0ax^3+bx^2+c=0

c)

ax2−bx−c=0ax^2-bx-c=0

d)

ax2+bx−c=0ax^2+bx-c=0

3.

 What is the standard form of  2x(x−9)=02x(x-9)=0 ?

a)

2x−18x=02x-18x=0

b)

2x2−18x=02x^2-18x=0

c)

2x2+18x=02x^2+18x=0

d)

2x+18x=02x+18x=0

4.

What is the linear term in the quadratic equation (x−5)2=0(x-5)^2=0 ?

a)

11

b)

−1-1

c)

1010

d)

−10-10

5.

Which of the following statements is correct?

                            I.        A quadratic equation can be written in the form of ax2+bx+c=0ax^2+bx+c=0 , where a, b, and c are real numbers and a ≠ 0.

II.          The term ax2ax^2  makes a given equation a quadratic equation.

 

a)

I only

b)

II only

c)

I and II

d)

Both statements are wrong

6.

What is the linear term in the quadratic equation 9x2−3x+18=09x^2-3x+18=0 ?

a)

9x29x^2

b)

18

c)

3x3x

d)

−3x-3x

7.

    Which of the following choices is an example of in disguise quadratic equation?

a)

a2+2a=0a^2+2a=0

b)

x2+4x=−4x^2+4x=-4

c)

(2x+3)(x−2)=0(2x+3)(x-2)=0

d)

ax2+bx+c=0ax^2+bx+c=0

8.

What kind of quadratic equation may not have a linear term or constant term?

a)

Linear Equation

b)

Disguise Quadratic Equation

c)

Incomplete Quadratic Equation

d)

Disguise Linear Equation

9.

Which of the following equations is NOT a quadratic equation?

a)

x2+6x+5x^2+6x+5

b)

2x2+6x3=5x2x^2+6x^3=5x

c)

x2+3=2xx^2+3=2x

d)

6x2−4x=06x^2-4x=0

10.

What is the standard form of (x−7)2=0(x-7)^2=0 ?

a)

x2−14x+49=0x^2-14x+49=0

b)

x2+14x+49=0x^2+14x+49=0

c)

x2−x+49=0x^2-x+49=0

d)

x2+x+49=0x^2+x+49=0

11.

Identify the roots of the quadratic equations by extracting the square root.

5x2−805x^2-80

a)

x=±7x=\pm7

b)

x=±4x=\pm4

c)

x=8 or x=−21x=8\ or\ x=-21

d)

x=5 or x=−25x=5\ or\ x=-25

12.
  1. 12. Identify the roots of the given quadratic equations by extracting the square root.

(x+8)2=169(x+8)^2=169

a)

x=8 or x=−21x=8\ or\ x=-21

b)

x=5 or x=−21x=5\ or\ x=-21

c)

x=−9 or x=17x=-9\ or\ x=17

d)

x=−3 or x=−9x=-3\ or\ x=-9

13.

Solve the quadratic equation by factoring. Choose your answer below.

v2+5v+6=0v^2+5v+6=0

a)

v= -3 and v=-2

b)

v=1/3 and v=2

c)

v=-1/3 and v=1/2

d)

v=3 and v=2