Practice Test on Algebra and Powers
Chapter
Chapter 2
Section
Practice Test on Algebra and Powers
Solutions 26 Videos

Sketch and label a representation for each of the following algebraic terms. Explain how your sketches are both alike and different.

a) y^2

b) m

c) m^3

Q1

Jacqueline is making a quilt using finished squares like the one shown. Each square has an area of 310 cm^2.

a) Write an expression that represents the length of the side of the square in terms of its area.

b) Estimate the length. Describe the process you used.

c) Use a calculator to determine the correct length to two decimal places.

Q2

Determine the approximate length of the roadway bordering the adjacent square properties.

Q3

Simplify

\displaystyle 3^43^6 

Q4a

Simplify

\displaystyle \frac{(\frac{4}{5})^6}{(\frac{4}{5})^5} 

Q4b

Simplify

\displaystyle \frac{x^3x^6}{x} 

Q4c

Simplify

\displaystyle 6.1 (6.1^6)(6.1^5)(5^2) 

Q4d

Simplify

\displaystyle (-7)^4(-7^6) 

Q5

Simplify

a) \displaystyle (6^3)^2 

b) \displaystyle (x^2)^5 

Q7ab

Simplify

\displaystyle (5x^4)^5 

Q7c

Simplify

\displaystyle [(\frac{2}{5})^4]^5 

Q7d

Simplify

\displaystyle (y^3)^2(y^5)^2 

Q7e

Simplify

\displaystyle (\frac{2}{x^2})^2 

Q7f

What is meant by “like terms”? Explain how algebra tiles or diagram? can help you to identify like terms.

Q8

Simplify.

\displaystyle 5x - 2x 

Q9a

Simplify.

\displaystyle 7xy + 2xy 

Q9b

Simplify.

\displaystyle (3x^2 -5a) + (4x^2 -a) 

Q9c

Which expression below is equivalent to \displaystyle (y^2 + 5y) -(3y^2 -y) ?

A -2y^2 + 6y

B 4y^2 + 4y

C 2y^2 + 6y

D -2y^2 + 6y

E none of the above

Q10

Expand.

\displaystyle 2(x -3) 

Q11a

Expand.

\displaystyle 3x(4x^2 -5x) 

Q11b

Expand.

\displaystyle y^5(5y^4 + 3y^3 -y^2) 

Q11c

Expand and simplify.

\displaystyle 2(x -3) + 3(x + 2) 

Q12a

Expand and simplify.

\displaystyle 3(y^2 + y -2) - (y^2 + 2y + 4) 

Q12b

Expand and simplify.

\displaystyle 2x(3x -2) + x^2 + 0.2(x^2 + 3) 

Q12c

Mary and Bill are setting up a summer concession stand at the park. They need these jobs filled:

a) Determine a simplified algebraic expression to represent the weekly payroll for all 11 employees. Assume that they will always work at least 30 h per week.

b) Use your expression to determine the weekly payroll if each employee works 32 h per week.

Determine an expression that simplifies to 3x^2 if the expression contains: