Name:    Linear Equations

Multiple Choice
Identify the choice that best completes the statement or answers the question.

1.

State whether the given equation or function is linear. Write yes or no. Explain your reasoning.
7x2 + y = 1
 a. No, the equation is not linear. It is not in the form Ax + By = C. b. No, the equation is not linear. It is in the form x + y = c. c. Yes, the equation is linear. It is in the form Ax + By = C. d. Yes, the equation is linear form. It is in the form x + y = C.

2.

State whether the given equation or function is linear. Write yes or no. Explain your reasoning.
f(x) = 9x3 + 5
 a. Yes, the equation is linear. It is of the form f(x) = m + b b. Yes, the equation is linear form. It is of the form f(x) = mx + b. c. No, the equation is not linear. It is not of the form f(x) = mx + b. d. No, the equation is not linear. It is in the form x + y = c.

3.

Write the equation 4y = 17x + 1.1 in standard form. Identify A, B, and C.
 a. 17x – 4y = – 1.1 where A = 17, B = –4, and C = 1.1. b. 4x – 17y = 1.1 where A = 4, B = –17, and C = 1.1. c. 17x + 4y = – 1.1 where A = 17, B = 4, and C = 1.1. d. 4x – 1.1y = 1.1 where A = 4, B = –17, and C = 1.1.

4.

Find the x-intercept and the y-intercept of the graph of the equation 10x + 20y = 4. Then graph the equation.
 a. The x-intercept is .The y-intercept is . c. The x-intercept is .The y-intercept is . b. The x-intercept is  .The y-intercept is  . d. The x-intercept is  .The y-intercept is  . 5.

Find the x-intercept and the y-intercept of the graph of the equation x + 6y = 12. Then graph the equation.
 a. The x-intercept is .The y-intercept is 1. c. The x-intercept is .The y-intercept is . b. The x-intercept is .The y-intercept is . d. The x-intercept is .The y-intercept is 12.