Math 1A - 1st Semester Review

Front

Determine the y-intercept for the equation 4x + 2y = -12.

Back

The y-intercept is -6.

Front

What is the sum of 14 and x?

Back

The sum is 14 + x.

Front

What does it mean when a graph shows no movement between 30 and 40 minutes?

Back

It means Sarah is not moving.

Front

Identify the type of mathematical statement: h ≥ 27.

Back

This is an inequality.

Front

Add the fractions 1/6 and 1/4 by finding equivalent fractions with like denominators.

Back

The sum is 5/12.

Front

What is the definition of a variable in mathematics?

Back

A variable is a symbol used to represent an unknown value.

Front

What is the formula for finding the slope of a line?

Back

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

Front

What is the difference between an expression and an equation?

Back

An expression does not have an equals sign, while an equation does.

Front

How do you solve for x in the equation 2x + 3 = 11?

Back

x = 4.

Front

What is the definition of a fraction?

Back

A fraction represents a part of a whole, expressed as a/b where a is the numerator and b is the denominator.