F2 MathR2 Lesson Ch9 Linear Equations in Two Unknowns

Which of the following does not lie on the graph of the equation x - 2y = 3?

• (3, 2)

• (0, -1.5)

• (1, -1)

• (3, 0)

The graph of 2x + 3y = 6 intercepts with the x-axis and the y-axis at M and N respectively. Find the coordinates of M and N.

• M(0, 2), N(3, 0)

• M(0, 2), N(0, 3)

• M(0, 3), N(0, 2)

• M(3, 0), N(0, 2)

Which of the following lies on the graphs of the equations 5x - 3y = 2 and x = 2y - 1 simultaneously?

• (4, 2)

• (0, 2)

• (1, -1)

• (1, 1)

The point of intersection of the graphs x + y = 0 and 3y = 2x + 5 is

• (3, 4).

• (0, 5).

• (3, -2).

• (-1, 1).

In a 2-digit number, the tens digit is 3 more than the units digit. 8 times of the units digit is 42 less than the 2-digit number. Find the number.

• 42

• 56

• 74

• 85