WorksheetsActivity in Math
Total questions: 13
Worksheet time: 13mins
What is the standard form of the quadratic equation 81a+1=a2 ?
a2+81a+1=0
a2+81a−1=0
a2−81a−1=0
a2−81a+1=0
What is the standard form of a quadratic equation?
ax2+bx+c=0
ax3+bx2+c=0
ax2−bx−c=0
ax2+bx−c=0
What is the standard form of 2x(x−9)=0 ?
2x−18x=0
2x2−18x=0
2x2+18x=0
2x+18x=0
What is the linear term in the quadratic equation (x−5)2=0 ?
1
−1
10
−10
Which of the following statements is correct?
I. A quadratic equation can be written in the form of ax2+bx+c=0 , where a, b, and c are real numbers and a ≠ 0.
II. The term ax2 makes a given equation a quadratic equation.
I only
II only
I and II
Both statements are wrong
What is the linear term in the quadratic equation 9x2−3x+18=0 ?
9x2
18
3x
−3x
Which of the following choices is an example of in disguise quadratic equation?
a2+2a=0
x2+4x=−4
(2x+3)(x−2)=0
ax2+bx+c=0
What kind of quadratic equation may not have a linear term or constant term?
Linear Equation
Disguise Quadratic Equation
Incomplete Quadratic Equation
Disguise Linear Equation
Which of the following equations is NOT a quadratic equation?
x2+6x+5
2x2+6x3=5x
x2+3=2x
6x2−4x=0
What is the standard form of (x−7)2=0 ?
x2−14x+49=0
x2+14x+49=0
x2−x+49=0
x2+x+49=0
Identify the roots of the quadratic equations by extracting the square root.
5x2−80
x=±7
x=±4
x=8 or x=−21
x=5 or x=−25
12. Identify the roots of the given quadratic equations by extracting the square root.
(x+8)2=169
x=8 or x=−21
x=5 or x=−21
x=−9 or x=17
x=−3 or x=−9
Solve the quadratic equation by factoring. Choose your answer below.
v2+5v+6=0
v= -3 and v=-2
v=1/3 and v=2
v=-1/3 and v=1/2
v=3 and v=2
