| 1 |
The standard form of quadratic equation is: |
- A. x<sup>2</sup>+6=7x
- B. x<sup>2</sup>-7x=6
- C. 7x+6=x<sup>2</sup>
- D. x<sup>2</sup>-7x+6=0
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| 2 |
The quadratic formula is: |
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| 3 |
Solution set of equation 5x<sup>2</sup>-125 = 0 is: |
- A. {5}
- B. {10}
- C. {-5}
- D.
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| 4 |
To solve (x+a)(x+b)(x+c)(x+d) = k, we have: |
- A. a-b=b-c
- B. a-b=c-d
- C. a+b=c+d
- D. a-c=b-c
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| 5 |
The solution set of equation 4x<sup>2</sup>-16=0 is: |
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| 6 |
The number of terms in a standard quadratic equitation ax<sup>2</sup>+bx+c=0 is: |
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| 7 |
Factors of x<sup>2</sup>-x-2=0 are: |
- A. (x-1)(x+2)
- B. (x-1)(x-2)
- C. (x-1)(x-2)
- D. (x+1)(x+2)
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| 8 |
Two linear factors x<sup>2</sup>-15x+56 are: |
- A. (x-7) and (x+8)
- B. (x+7) and (x-8)
- C. (x-7) and (x-8)
- D. (x+7) and (x+8)
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| 9 |
Number of ways to solve quadratic equation are: |
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| 10 |
In equation ax<sup>4</sup>+bx<sup>2</sup>+c=0, we replace: |
- A. x<sup>2</sup> = y
- B. x= y
- C. x<sup>4</sup>= y
- D. x<sup>3</sup>= y
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