Free Printable Q1:W8: PRETEST

1.

An equation which has only one variable term is called a Monomial equation. It can be expressed in the algebraic form ax + b = 0. This is also called a __.

a)

Quadratic Equation

b)

Trinomial Polynomial Equation

c)

Linear Equation

d)

Cubic Equation

2.

Which of the following is not a Polynomial Equation?

a)

$2x-5=8x^2$

b)

$(x+2)(x-4)=0$

c)

$10x^3–\ 5x=0$

d)

$f(x)=2𝑥^3–\ 5$

3.

Which of the following is NOT a root of

x(x+3)(x-1)(2x+1)=0

?
i. 0 ii. -3 iii. -1 iv. ½

a)

i only

b)

ii only

c)

i and ii only

d)

iii and iv only

4.

Find a cubic polynomial equation with roots -2, 2, and 4.

a)

$x^3+4x^2–4x+16=0$

b)

$x^3-4x^2-\ x+16=0$

c)

$10x^3-x^2-x+16=0$

d)

$x^3-4x^2-4x+16=0$

5.

How many positive real roots does $x^4–\ x^3–\ 11x^2+9x+18=0$ ?

a)

0

b)

1

c)

2

d)

3

6.

One of the roots of the polynomial equation $2x^3+9x^2–\ 33x+14=0$ is 2. Find the other roots.

a)

½ and 7

b)

-½ and 7

c)

½ and -7

d)

-½ and -7

7.

If P(-2) = 0, which of the following statements is true about P(x)?

a)

x + 2 is a factor of P(x)

b)

2 is a root of P(x) = 0

c)

P(x) = 0, has two negative roots

d)

P(0) = -2

8.

Solve for x in the polynomial equation $12x^3+6x^2=18x.$

a)

$0,1\ and\ -\frac{3}{2}$

b)

$1,-2\ and\ \frac{1}{2}$

c)

$-1,2\ \&-2$

d)

$0,1,\ \&-2$

9.

The product of three consecutive positive integers is equal to six times the largest integer. What is the first number?

a)

-3

b)

1

c)

2

d)

4

10.

The area of the whole figure is 45 sq. ft. What is the value of x?

a)

$-6$

b)

$-\frac{9}{2}$

c)

$\frac{9}{2}$

d)

$6$

11.

The roots of a polynomial equation in x are the values of x that satisfy the equation.

a)

TRUE

b)

FALSE

12.

Every polynomial equation of degree n has n - 1 real roots.

a)

TRUE

b)

FALSE

13.

The equation $2x^3–\ 6x^2+x\ –\ 1=0$ has no rational root.

a)

TRUE

b)

FALSE

14.

The possible roots of $3x^5–x^4+6x^3–2x^2+8x-5=0$ are $±1,\pm\frac{5}{3},\pm\frac{1}{3}and\ ±5.$

a)

TRUE

b)

FALSE

15.

The only rational root of the equation $x^3–2x^2+8x-5=0\ is\ \ 3.$

a)

TRUE

b)

FALSE

Q1:W8: PRETEST

Total questions: 15

Worksheet time: 8mins

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