Is (X, Y) a Solution to an Equation

Which of the ordered pairs is a solution to the equation 2x + 3y = 10?

• (0, 5)

• (-2, 3)

• (5, 0)

Is the ordered pair (2, 0) a solution to the equation 2x + y = 4?

• yes

• no

• not enough information

Is the point (-2, 5) a solution to the equation x + y = 7?

• yes

• no

• not enough information

Is the point (5, -2) a solution to the equation x - y = 7?

• yes

• no

• not enough information

Any point on the line x = y is of the form

• (k, -k)

• (0, k)

• (k, 0)

• (k, k)

What are the roots of quadratic equation?

• Coefficients of the equation

• Solutions to the equation

• The highest exponent of the variable

• The graphical representation of the equation

Tags

CCSS.HSA-REI.B.4B

Which of the ordered pairs is a solution to the equation y = -2x + 5?

• (1, -3)

• (2, 1)

• (5, 0)

What y-coordinate completes the ordered pair (0, ___) so that it is a solution to the equation y = 2x + 1.

Write an ordered pair that is a solution to the equation y = x + 1.

Write an ordered pair that is a solution to the equation y = -2x + 5.