HonAlg Sem1 Day2 Review

Front

What is the slope of a horizontal line?

Back

Zero

Front

What is the slope of a vertical line?

Back

Undefined

Front

Write the point-slope form of a line with slope m through point (x1, y1).

Back

y - y1 = m(x - x1)

Front

How do you find the x-intercept of a linear equation?

Back

Set y = 0 and solve for x.

Front

How do you find the y-intercept of a linear equation?

Back

Set x = 0 and solve for y.

Front

What is the general form of a linear equation?

Back

Ax + By = C, where A, B, and C are constants.

Front

What does the absolute value function represent?

Back

The distance of a number from zero on the number line.

Front

What is the equation of the absolute value function that opens upwards?

Back

f(x) = |x|.

Front

How do you convert a linear equation from standard form to slope-intercept form?

Back

Solve for y in terms of x: y = mx + b.

Front

What is the slope of the line represented by the equation y = mx + b?

Back

m (the coefficient of x).