Quiz about Activity in Math

Question 1

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

Accepted Answer

$$a^2-\frac{1}{8}a-1=0$$

Answer

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

Answer

$$a^2+\frac{1}{8}a-1=0$$

Answer

$$a^2-\frac{1}{8}a+1=0$$

Question 2

What is the standard form of a quadratic equation?

Accepted Answer

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

Answer

$$ax^3+bx^2+c=0$$

Answer

$$ax^2-bx-c=0$$

Answer

$$ax^2+bx-c=0$$

Question 3

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

Accepted Answer

$$2x^2-18x=0$$

Answer

$$2x-18x=0$$

Answer

$$2x^2+18x=0$$

Answer

$$2x+18x=0$$

Question 4

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

Accepted Answer

$$-10$$

Answer

$$1$$

Answer

$$-1$$

Answer

$$10$$

Question 5

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

Accepted Answer

$$-3x$$

Answer

$$9x^2$$

Answer

18

Answer

$$3x$$

Question 6

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

Accepted Answer

$$(2x+3)(x-2)=0$$

Answer

$$a^2+2a=0$$

Answer

$$x^2+4x=-4$$

Answer

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

Question 7

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

Accepted Answer

Incomplete Quadratic Equation

Answer

Linear Equation

Answer

Disguise Quadratic Equation

Answer

Disguise Linear Equation

Question 8

Which of the following equations is NOT a quadratic equation?

Accepted Answer

$$2x^2+6x^3=5x$$

Answer

$$x^2+6x+5$$

Answer

$$x^2+3=2x$$

Answer

$$6x^2-4x=0$$

Question 9

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

Accepted Answer

$$x^2-14x+49=0$$

Answer

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

Answer

$$x^2-x+49=0$$

Answer

$$x^2+x+49=0$$

Question 10

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

$$5x^2-80$$

Accepted Answer

$$x=\pm4$$

Answer

$$x=\pm7$$

Answer

$$x=8\ or\ x=-21$$

Answer

$$x=5\ or\ x=-25$$

Question 11

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

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

Accepted Answer

$$x=5\ or\ x=-21$$

Answer

$$x=8\ or\ x=-21$$

Answer

$$x=-9\ or\ x=17$$

Answer

$$x=-3\ or\ x=-9$$

Question 12

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

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

Accepted Answer

v= -3 and v=-2

Answer

v=1/3 and v=2

Answer

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

Answer

v=3 and v=2

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