Chapter 5 Test Review

Front

What is the solution of the equation 5x – 2 = 7x – 8?

Back

x = 3

Front

What is the solution of the equation (2/5)(10x – 15) – 6 = 0?

Back

x = 3

Front

If a triangle has sides of length x, (x – 3), and (x – 3), what is the maximum length of the longest side if the total length is 40 cm?

Back

15 cm

Front

What is the slope of the line given by the equation 2x + y + 3 = 0?

Back

-2

Front

What can be said about the equation 3(5x + 4) = 15x + 12?

Back

The equation has infinitely many solutions.

Front

Define a linear equation.

Back

An equation that makes a straight line when graphed, typically in the form y = mx + b.

Front

What is the y-intercept of a line?

Back

The point where the line crosses the y-axis.

Front

What does it mean for an equation to have no solution?

Back

There are no values of the variable that satisfy the equation.

Front

What is the definition of a triangle?

Back

A polygon with three edges and three vertices.

Front

What is the formula for the perimeter of a triangle?

Back

P = a + b + c, where a, b, and c are the lengths of the sides.