1. Look at points on the
straight line. Copy and complete the table below:
b) (2, 1), (3, 1), (4, 2), (5, 3);
c) (2, 0), (3, 1), (4, 2), (5, 3);
d) (2, 0), (3, 1), (4, 2), (5, 4).
2. Find a rule connecting the x-coordinate and the y-coordinate.
y
= ……
b) y =
x – 4;
c) y =
x + 2;
d) y =
x + 4.
3. Determine the intercepts of the line.
b) x-intercept (250, 0), y-intercept
(0, –100);
c) x-intercept (100, 0), y-intercept
(0, 250);
d) x-intercept (–250, 0), y-intercept
(0, 100).
4. Determine the intercepts of the line.
y = –3x + 12
а) x-intercept (–12, 0), y-intercept (0, 4);
b) x-intercept (4, 0), y-intercept
(0, 12);
c) x-intercept (12, 0), y-intercept
(0, 4);
d) x-intercept (4, 0), y-intercept
(0, –12).
5. Determine the intercepts of the line that
passes through the following points.
(–6, 5); (–3, 3); (0, 1).
а) x-intercept (0, 1), y-intercept
(1.5, 0);
b) x-intercept (0, 1), y-intercept
(1, 0);
c) x-intercept (0, 1), y-intercept
(2.5, 0);
d) x-intercept (0, 1), y-intercept
(0.5, 0).
6. What is the slope of the line?
c) 6;
d) undefined.
7. Find the equation of the line.
b) y =
x + 5;
c) y =
–x + 5;
d) y =
x – 5.
8.
Write an equation that represents the line.
b) y =
0,75x + 2;
c) y =
–0,75x + 2;
d) y =
0,75x – 2.
9. The
equation of any straight line can be written in the form
y = mx
+ c
where m
is the gradient and c is where the line crosses the y-axis.
Which lines below
are parallel?
y = x
+ 2, y = 5 – x, y = 4x – 2, y = 2x + 4, y = 3 + 4x.
а) y =
3 + 4x, y = 5 – x;
b) y =
2x + 4, y = 4x – 2;
c) y =
3 + 4x, y = x + 2;
d) y =
3 + 4x, y = 4x – 2.
10. Write down the equations of the lines marked A, B and C.
b) A, x = 1; B, x = 41/2; C, x = –2;
c) A, x
= 1; B, x = 41/2; C, x = –3;
d) A, x
= 1; B, x = 41/5; C, x = –3.
11. Write down the equations of the lines marked P, Q, R
and S.
b) P, y
= 2; Q, y = 31/2; R, y = –3;
S, y = –11/2;
c) P, y
= 1; Q, y = 31/6; R, y = –3;
S, y = –11/2;
d) P, y
= 1; Q, y = 31/2; R, y = –3;
S, y = –11/4.
12. The outside
edge of Frank’s face is made by straight lines. Write down the equation of each
line (2 of the lines will have the same equation).
b) y =
1, y = 4, y = 9, x = 1, x = 3, x = 7, x = 9;
c) y =
1, y = 5, y = 9, x = 1, x = 2, x = 7, x = 9;
d) y = 1, y =
5, y =
9, x =
1, x =
3, x =
7, x =
8.
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