The equation 3.3x − 6.6 = 2.7x can be transformed to form which of the following expressions? (5 points)

6.0x = 6.6 0.6x = 6.6 6.0x = −6.6 0.6x = −6.6 9. (07.06 MC) What is the value of z for the equation fraction 1 over 3z = −fraction 5 over 6 + fraction 1 over 6z? (5 points)

5 2 −2 −5 10. (08.01 MC) The system of equations shown below is graphed on a coordinate grid: 4y + x = 4 2y − x = 8 Which statement is true about the coordinates of the point that is the solution to the system of equations? (5 points)

It is (2, 5) and lies on both lines. It is (−4, 2) and lies on both lines. It is (2, 5) and does not lie on either line. It is (−4, 2) and does not lie on either line. 11.

(08.02 MC) Which graph best represents the solution to the system of equations shown below? (5 points)

y = −4x + 19 y = 2x + 1

A coordinate grid is shown from negative 10 to positive 10 on the x axis and also on the y axis. Two lines are shown intersecting on ordered pair 7, 3. A coordinate grid is shown from negative 10 to positive 10 on the x axis and also on the y axis. Two lines are shown intersecting on ordered pair 3, 7. A coordinate grid is shown from negative 10 to positive 10 on the x axis and also on the y axis. Two lines are shown intersecting on ordered pair negative 3, negative 7. A coordinate grid is shown from negative 10 to positive 10 on the x axis and also on the y axis. Two lines are shown intersecting on ordered pair negative 7, negative 3.