Extra Review for Topics 3 & 5 Test

Front

Solve the equation: 3.5x + 1.5x = 10

Back

x = 2

Front

Solve the equation: 3x - 1 1/4 = 5

Back

x = 1.25

Front

Will the solution (-3, -7) make the following system of equations a true statement? y = 4x + 5, y = x – 4

Back

YES

Front

How many solutions does a system of equations have when solving results in the statement: 5=3?

Back

No solution

Front

What is the y-intercept?

Back

-4

Front

What is the definition of a variable in an equation?

Back

A symbol used to represent an unknown value.

Front

What does it mean for two equations to be consistent?

Back

They have at least one solution.

Front

What is the slope of a line?

Back

The rate of change of y with respect to x.

Front

What is the formula for the slope between two points (x1, y1) and (x2, y2)?

Back

m = (y2 - y1) / (x2 - x1)

Front

What does it mean for a system of equations to be inconsistent?

Back

It has no solutions.