Coordinate Geometry 9th - 10th Grade Quiz

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20 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Show that the line 4y = 5x-10 is perpendicular to the line 5y+4x = 35.

$-\frac{4}{5}\times\frac{5}{4}=-1$

$\frac{4}{5}\times\frac{5}{4}=1$

2.

MULTIPLE SELECT QUESTION

1 min • 1 pt

Find the gradient of the line that is perpendicular to the line 2y = 3+5x.

0.4

-0.4

$\frac{2}{5}$

3.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Find the gradient of the line L.

1.45

1.5

1

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Find the equation of the line L in the form y = mx+c.

$y=1.5x+1$

$y=-1.5x-1$

$y=1$

5.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Line L passes through the points

(0, -3) and(6, 9).

(a) Find the equation of line L.

(b) Find the equation of the line that is perpendicular to line L and passes through the point (0, 2).

\left(a\right)\ y=2x-3

\left(b\right)y=-\frac{1}{2}x+2

$\left(a\right)\ y=2x+3\ \ \ \ \$ $\left(b\right)y=-2x+2$

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The equation of a straight line is 2y = 3x+4.

Find the gradient of this line.

1.5

1

1.3

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The equation of a straight line is 2y = 3x+4.

Find the co-ordinates of the point where the line crosses the y-axis..

(2, 0)

(0, 2)

(0, -2)

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