Math 9th Chap 7 : Topic 4 - Maryam Publications

Math Chapter 7 : Topic 4

Line Equation (y=mx+c)

1 / 25

In the equation $y=mx+c$, the value of $m$ represents:

A) Gradient (slope)

B) Intercept

C) Distance

D) Midpoint

2 / 25

In $y=mx+c$, $c$ represents:

A) $y$-intercept

B) Length

C) Gradient

D) $x$-intercept

3 / 25

Find the equation of line with slope $2$ and $y$-intercept $3$.

A) $y=3x+2$

B) $y=2x-3$

C) $y=2x+3$

D) $y=- 2x+3$

4 / 25

Which equation represents a horizontal line?

A) $y=0 x+5$

B) $y=- x+2$

C) $y=3x$

D) $y=2x+3$

5 / 25

Find equation of line with slope $- 1$ and passing through origin.

A) $y=x-1$

B) $y=x$

C) $y=- x+1$

D) $y=- x$

6 / 25

Find equation of line with slope $3$ passing through $(0, - 5)$.

A) $y=5x-3$

B) $y=3x-5$

C) $y=3x+5$

D) $y=- 3x+5$

7 / 25

Which equation has negative slope?

A) $y=0 x+2$

B) $y=- 3x+4$

C) $y=x+5$

D) $y=2x+1$

8 / 25

The line $y=4x-2$ cuts $y$-axis at:

A) $2$

B) $- 2$

C) $4$

D) $0$

9 / 25

Find slope of line $y=- 5x+7$.

A) $5$

B) $- 7$

C) $- 5$

D) $7$

10 / 25

Which equation passes through origin?

A) $y=5x+2$

B) $y=2x-3$

C) $y=x+1$

D) $y=4x$

11 / 25

Find equation of line with slope $1$ and passing through $(0,0)$.

A) $y=x+1$

B) $y=- x$

C) $y=x$

D) $y=1$

12 / 25

If a line is parallel to $x$-axis, its equation is:

A) $y=mx$

B) $x=c$

C) $y=c$

D) $y=mx+c$

13 / 25

Find equation with slope $0$ and intercept $4$.

A) $y=4$

B) Both $A$ and $B$

C) $y=0x+4$

D) $y=4x$

14 / 25

Which equation has slope $0$?

A) $y=x$

B) $y=- x$

C) $y=2x$

D) $y=3$

15 / 25

Find equation of line with slope $2$ passing through $(0,0)$.

A) $y=2x-2$

B) $y=x+2$

C) $y=2x$

D) $y=2x+1$

16 / 25

The graph of $y=mx+c$ is always:

A) Parabola

B) Circle

C) Curve

D) Straight line

17 / 25

If slope increases, the line becomes:

A) More steep

B) Vertical

C) Less steep

D) Horizontal

18 / 25

Find equation of line with slope $- 2$ and intercept $0$.

A) $y=- 2x$

B) $y=2x$

C) $y=x-2$

D) $y=- 2x+1$

19 / 25

Which equation represents vertical line?

A) $x=c$

B) $y=c$

C) $y=mx$

D) $y=mx+c$

20 / 25

Equation of line depends on:

A) Midpoint only

B) Distance only

C) Coordinates only

D) Slope and intercept

21 / 25

If $c=0$, the line:

A) Is vertical

B) Passes through origin

C) Is horizontal

D) Does not exist

22 / 25

Find intercept of line $y=6x-9$.

A) $- 9$

B) $6$

C) $9$

D) $0$

23 / 25

Which equation has slope $1$ and intercept $- 2$?

A) $y=- x+2$

B) $y=- x-2$

C) $y=x+2$

D) $y=x-2$

24 / 25

A line with positive slope:

A) Is horizontal

B) Is vertical

C) Falls left to right

D) Rises left to right

25 / 25

Which equation has no $y$-intercept?

A) $y=5$

B) $y=2x$

C) $y=mx+c$

D) $x=3$

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