Free Printable Precalculus Week 7

1.

Which is the correct quadratic formula?

a)

b)

c)

d)

2.

The quadratic equation can be used to solve quadratic equations that can or cannot be factored.

a)

True

b)

False

3.

Put the given equation in standard form. $-3x^{2\ }+7x=-2x-8$

a)

$-3x^2+5x-8=0$

b)

$-3x^{2\ }+9x+8=0$

c)

$-3x^{2\ }+9x-8=0$

d)

$-3x^2+7x-10=0$

4.

A student is solving a quadratic equation using the quadratic formula. They have correctly gotten to this point and need to simplify completely. What is the correct final answer?

a)

$\frac{-1\pm3\sqrt{2}}{2}$

b)

$\frac{-1\pm\sqrt{6}}{2}$

c)

$\frac{-1\pm\sqrt{18}}{2}$

d)

$\frac{-1\pm\sqrt{36}}{2}$

5.

What does the discriminant tell us?

a)

The maximum or minimum

b)

The y-intercept

c)

The number and type of solutions

d)

The axis of symmetry

6.

Which graph has a discriminant = 0?

a)

None of them

b)

Red

c)

Blue

d)

Green

7.

Use the quadratic formula to solve 2x² + 2x - 12 = 0.

a)

-2, 3

b)

2, 3

c)

2, -3

d)

-2, -3

8.

Find the Domain.

a)

All real numbers

b)

x > 3

c)

x > 0

d)

x ≥ 0

9.

The domain was [0,6.8]

a)

True

b)

False

10.

Find the domian of the relationship below:

( -2 , 7 ) (-1 , 3 ) ( 5 , 2 ) ( 10 , -3 )

a)

D: {-2,-1,5,10}

b)

D: (7,3,2,-3}

c)

D:{-2 < x < 10}

d)

D: {-3 < x < 7}

11.

Choose the appriopriate answer. (Natural Numbers and Real Numbers are different)

a)

Irrational Numbers

b)

Natural Numbers

c)

Rational Numbers

d)

Real Numbers

12.

Choose the most appropriate answer.

(Hint. Rational numbers are numbers that can be written as a fraction)

a)

Whole Number

b)

Integers Number

c)

Rational Number

d)

Irrational Number

13.

Choose the best answer. (Hint. Integers include negatives)

a)

Whole Numbers

b)

Rational Numbers

c)

Irrational Numbers

d)

Integers

Precalculus Week 7 - CTS and Domain

Total questions: 13

Worksheet time: 1hrs 5mins

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