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Mathematics
9th
grade
Solving Equations Transformable to Quadratic Equations
10 questions
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- 1. Multiple Choice
Which of the following equations is a quadratic equation?
a. 3x2 - 2x + 3 ≤ 5
b. 5x2 + 4x + 3
c. x 2 + 6x + 5 = 0
d. 3x + 5y = 7
- 2. Multiple Choice
Which of the following equations is transformable into quadratic equation?
a. 3x + 7 = x - 5
b. (x^2 + 2) (x - 3) = x + 10
c. 2𝑥 /(2 𝑥+1) + 4 /(𝑥−2) = 2
d. (x + 2) (x-3) = 5
- 3. Multiple Choice
. In the following rational algebraic equations, which can be transformed into quadratic equation?
a. 𝒙 + (𝟐/ 𝒙 )= 𝟑𝒙^2
b. (𝑥+5)/ 3 − (1/ 2) = 1
c. (2𝑥^2) /(𝑥−2) + (2 /𝑥) = x
d. 3/( 𝑥+5) − 4 /(𝑥−9 )= 7
- 4. Multiple Choice
. What is the standard form of (x - 5) (x + 3) – 8 = 7?
a. 2x^2 + 2x + 1 = 0
b. x^ 2 - 2x + 1 = 0
c. x^2 - 2x - 15 = 0
d. x^ 2 - 2x – 30 = 0
- 5. Multiple Choice
Which of the following is the standard form of x(x+1) = 12?
a. x^2 + x - 12 = 0
b. x^2 - x + 12 = 0
c. x^2 - 2x + 12 = 0
d. x^2 + 2x – 12 = 0
- 6. Multiple Choice
. Which of the following are the roots of x(x-4) = 12?
a. -4 and 3
b. 6 and -2
c. 4 and -3
d. -6 and 2
- 7. Multiple Choice
What are the roots of (x+2)^2 + (x-3)^2 = 17?
a. 2 and 1
b. 2 and -1
c. 4 and -2
d. 3 and -2
- 8. Multiple Choice
In the equation 𝑥^2 + (𝑥/ 3) = 2 /3 which is transformable into quadratic equation, what is the LCD?
a. 3
b. 2
c. x^2
d. x
- 9. Multiple Choice
In the equation 𝑥^2 + (𝑥/ 3) = 2 /3 which is transformable into quadratic equation, what is the standard form in quadratic equation?
a. x^2 + x + 2 = 0
b. x^2 + x - 2 = 0
c. 3x^2 + 4x - 2 = 0
d. 3x^2 + x - 2 = 0
- 10. Multiple Choice
What are the roots of the equation 𝑥^2 + (𝑥/3) = 2/3 ?
a. -1 and 2/3
b. -1 and 2
c. 2 and 3
d. 2 and -3
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