A2 - First Semester Review 1

Front

Yoshi is 12 years older than his sister. Six years from now, the sum of their ages will be 32. Find Yoshi's present age.

Back

Yoshi's present age is 16.

Front

Two sides of a triangle are equal in length. The length of the third side is three meters less than the sum of the lengths of the other two sides. Find the length of the longest side of the triangle if its perimeter is 29 meters.

Back

The length of the longest side is 13 meters.

Front

Which of the following relations is not a function?

Back

A relation is not a function if it assigns more than one output for a single input.

Front

Select the algebraic expression that represents the verbal expression: five increased by seven times a number.

Back

The expression is 7n + 5.

Front

If a line rises to the right, its slope is _____________.

Back

The slope is positive.

Front

What is the definition of a function in mathematics?

Back

A function is a relation that assigns exactly one output for each input.

Front

What is the formula for the perimeter of a triangle?

Back

The perimeter P of a triangle is given by P = a + b + c, where a, b, and c are the lengths of the sides.

Front

What is the Pythagorean theorem?

Back

Front

What is the slope-intercept form of a linear equation?

Back

The slope-intercept form is given by y = mx + b, where m is the slope and b is the y-intercept.

Front

What does it mean for two lines to be parallel?

Back

Two lines are parallel if they have the same slope and will never intersect.