PreCal First Semester Recap 2

Front

Write the point-slope form equation of a line given a point (1,3) and a slope of 6.

Back

Front

What is the equation for the total cost if an app costs $3.00 and each extra bundle costs $1.50?

Back

Front

What does the axis of symmetry of a parabola represent?

Back

The axis of symmetry is a vertical line that passes through the vertex of the parabola.

Front

What is the equation for the axis of symmetry of a parabola with vertex at (3,4)?

Back

Front

What type of slope does a line that decreases from left to right have?

Back

A line that decreases from left to right has a negative slope.

Front

What is the general form of a linear equation?

Back

Front

How do you find the slope of a line given two points (x1, y1) and (x2, y2)?

Back

Front

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

Back

Front

What does a slope of zero indicate about a line?

Back

A slope of zero indicates that the line is horizontal.

Front

What is the significance of the y-intercept in a linear equation?

Back