# Maths C1

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The point A has coordinates (-3,2) and the point B has coordinates (7,K). The line AB has equation 3x + 5y = 1. Show that K = -4
21+5K = 1
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The point A has coordinates (-3,2) and the point B has coordinates (7,4). Find the midpoint of AB
(2,-1)
2 of 5
The point A has coordinates (-3,2) and the point B has coordinates (7,-4). Find the gradient of AB
-3/5
3 of 5
A (-3,2), B (7,-4), AB 3x+5y = 1. A line which passes through the point A is perpendicular to the line AB. Find an equation of this line, giving your answer in the form px + qy + r = 0 , where p, q and r are integers.
5x-3y+21=0
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The line AB, with equation 3x + 5y = 1 , intersects the line 5x + 8y = 4 at the point C. Find the coordinates of C.
(12,-7)
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## Other cards in this set

### Card 2

#### Front

The point A has coordinates (-3,2) and the point B has coordinates (7,4). Find the midpoint of AB

(2,-1)

### Card 3

#### Front

The point A has coordinates (-3,2) and the point B has coordinates (7,-4). Find the gradient of AB

### Card 4

#### Front

A (-3,2), B (7,-4), AB 3x+5y = 1. A line which passes through the point A is perpendicular to the line AB. Find an equation of this line, giving your answer in the form px + qy + r = 0 , where p, q and r are integers.

### Card 5

#### Front

The line AB, with equation 3x + 5y = 1 , intersects the line 5x + 8y = 4 at the point C. Find the coordinates of C.