G7 Co-taught Math Review

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Factorise    x ² – 12x + 27

Solve the equation   x ² – 12x + 27 = 0

 Factorise    y ² – 100

Solve, by factorising, the equation      8x ² − 30x − 27 = 0

Solve the simultaneous equations

4x + y = 25
x − 3y = 16

The point A  has coordinates (2, 3).
The point B  has coordinates (6, 8).

M  is the midpoint of the line AB .

Find the coordinates of M .

Find the slope of the line containing  ( -2 , 3 ) and  ( 1 ,- 3 ).

Find the distance between C(-4, -6) and D(-1, -2).

a straight line passes through points (0,7) and (2,-1), what its slope intercept form of the straight line?

slope-intercept form:

angle A and angle B are supplementary, so A+B=