Representing Algebraic Equations

What is the equation for this table?

• y = 2x + 2

• y = x + 6

• y = 3x

• y = x - 8

Solve the system of equations algebraically using substitution:

y = x + 2

y = -3x

• x = -1/2

• x = 0

• x = - 4

• x = 2

Solve the following system of equations algebraically using substitution method.

• (-1, 1)

• (1, -1)

• (0, 1)

• (1, 0)

Solve the following system of equations algebraically using substitution method.

• (-1, -1)

• (2, -1)

• (-1, 2)

• (-1, -2)

A statement of the form "expression = expression" is called a(n)​ (a)   .

• equation

• expression

• evaluating and expression

• evaluating and equation

• solution

• equivalent

The table shows Sandra's weekly earnings, y , based on the number of hours she works. Which equation can Sandra use to calculate her weekly earnings when she works x hours?

​ (a)  

• y = 8x

• y = 5x + 40

• y = 10x

• y = 10x + 80

The table shows Sandra's weekly earnings, y , based on the number of hours she works. Which equation can Sandra use to calculate her weekly earnings when she works x hours?

• y = 8x

• y = 5x + 40

• y = 10x

• y = 10x + 80

What best represents "five times a number?"

• v + 5

• y - 5

• 5n

• x/5

A statement of the form "expression = expression" is called a(n)​ (a)   .

• equation

• expression

• evaluating and expression

• evaluating and equation

• solution

• equivalent

The equation for the table below is y=2x+5, fill in the missing values.

c

d

e

f

0

7

-1

3

4

9