3.1 Part 3 Notes - Standard Form

What is the standard form of a linear equation?

• y = mx + b

• y - y1 = m(x - x1)

• Ax + By = C

• y = C

What type of numbers must A, B, and C be in the standard form Ax + By = C?

• Fractions

• Decimals

• Integers

• Any real numbers

How is the slope calculated from the standard form Ax + By = C?

• A/B

• B/A

• -A/B

• -B/A

What is the Y-intercept for the equation 3x - 2y = -4?

• (0, -2)

• (0, 2)

• (-4/3, 0)

• (2, 0)

What is the slope of the linear equation 5x + y = -3?

• -5

• 5

• -1/5

• 1/5

What is the Y-intercept of the linear equation 5x + y = -3?

• (0, 5)

• (0, -3)

• (-3/5, 0)

• (3/5, 0)

What is the slope of the linear equation 7x + y = -3?

• 7

• -7

• 1/7

• -1/7

What is the X-intercept of the linear equation x - y = -5?

• (0, 5)

• (0, -5)

• (-5, 0)

• (5, 0)