S4 Equations of Straight Lines

Find the equation of the straight line with slope 2 passing through (-3, 4) .

• $2x-y-2=0$

• $2x-y-10=0$

• $2x-y+2=0$

• $2x-y+10=0$

Tags

CCSS.HSA.CED.A.2

CCSS.HSG.GPE.B.5

Find the equation of the straight line with slope  -7  and y-intercept  4 .

•  $4x-y-7=0$  

•  $7x+y-4=0$  

•  $x-4y+7=0$  

•  $x+7y-4=0$  

Tags

CCSS.HSA.CED.A.2

CCSS.HSG.GPE.B.5

Find the equation of the straight line passing through A(10, -2) and B(4, 1) .

• $x+2y-6=0$

• $x+2y-9=0$

• $x+14y+12=0$

• $x+14y+18=0$

Tags

CCSS.HSA.CED.A.2

CCSS.HSG.GPE.B.5

Straight line  $3x-9y-k=0$   passes through  A(2, 1) . Find the value of  $k$   .

• -15

• -3

• 3

• 15

Tags

CCSS.HSA.CED.A.2

Two points A(2, -4) and B(-6, 4) are given. P is the mid-point of line segment AB . Find the equation of the straight line with the slope of 3 passing through P .

• $y=-x-2$

• $y=3x$

• $y=3x+2$

• $y=3x+6$

Find the slope of the straight line   $2x-6y+9=0$   .

• -3

• $-\frac{1}{3}$

• $\frac{1}{3}$

• 3

Tags

CCSS.HSS.ID.C.7

Find the x-intercept and y-intercept of straight line   $2x+5y-10=0$  .

• x-intercept =  $-\frac{2}{5}$  , y-intercept = 5

• x-intercept =  $-\frac{5}{2}$  , y-intercept = 2

• x-intercept = 5 , y-intercept = 2

• x-intercept = 5 , y-intercept = 5

Tags

CCSS.HSA.CED.A.2

CCSS.HSA.REI.D.10

The x-intercept of straight line  $kx-2ky-21=0$   is 7 .  Find the y-intercept of L.

•  $-\frac{7}{2}$  

• -3

• 3

•  $\frac{7}{2}$  

Tags

CCSS.HSA.CED.A.2

CCSS.HSA.REI.D.10

CCSS.HSA.REI.D.11

If straight line  $x-2y+4=0$   cuts the x-axis and y-axis at P and Q respectively, find the area of  $\Delta$  OPQ.

• Area = 1

• Area = 2

• Area = 4

• Area = 8

Straight lines  $L1:\ 3x-2y+7=0\ ,$  $L2:\ 2x+3y-4=0\$  and  $L3:\ 3x+2y+6=0$  are given. Which of the following must becorrect?
     I.   L1 // L2
     II.  L1  $\perp$   L2
     III. L2  $\perp$   L3

• I only

• II only

• I and III only

• None of the above

Tags

CCSS.HSG.CO.A.1

CCSS.HSG.GPE.B.5