SNAP Quadratic Equations Questions

SNAP Quadratic Equations Questions

Question 1

If one of the roots of $$ax^2+bx+c=0$$ is half of the other root, then which of the following conditions must be true?

A

$$b^2-a^2=9ac$$

B

$$4b^2=9ac$$

C

$$b^2=18ac$$

D

$$2b^2=9ac$$

Question 1

If $$x_1$$ and $$x_2$$ are the roots of the equation $$x^{2} - 4x - c = 0$$ and $$5x_1 - x_2 = 38$$, which of the following statements is true?

A

c = 21

B

$$x_1 = -7$$, $$x_2 = 3$$

C

$$x_1 = 6$$, $$x_2 = -2$$

D

None of these

Question 1

If x = 3 + 2$$\sqrt{\ 2}$$ what will be the value of $$X^2 + \left(\frac{1}{X^2}\right)$$?

A

35

B

32

C

36

D

34

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