Algebra I Keystone

Front

What is the slope between the points (-3, -4) & (7, 6)?

Back

The slope is 1.

Front

Katie is going to make personalized t-shirts. She starts her business by buying a screen printer for $500. She pays an additional $14 for materials for each t-shirt. How many shirts must she sell to make a profit?

Back

Katie must sell 46 shirts to make a profit.

Front

Simplify: (3x^2 + 2x - 8) - (-x^2 + 6x + 4)

Back

The simplified expression is 4x^2 - 4x - 12.

Front

Write an equation that is parallel to y = 3x + 5 and goes through (2,5).

Back

The equation is y = 3x - 1.

Front

Multiply (x - 5)(2x – 3)

Back

The result is 2x^2 - 13x + 15.

Front

What is the definition of a linear equation?

Back

A linear equation is an equation that makes a straight line when graphed, typically in the form y = mx + b.

Front

What does the 'm' represent in the slope-intercept form of a linear equation?

Back

The 'm' represents the slope of the line.

Front

What does the 'b' represent in the slope-intercept form of a linear equation?

Back

The 'b' represents the y-intercept of the line.

Front

How do you find the slope between two points (x1, y1) and (x2, y2)?

Back

The slope is calculated as (y2 - y1) / (x2 - x1).

Front

What is the formula for the area of a rectangle?

Back

The area of a rectangle is calculated as length × width.