Unit 1

Question	Answer
What is the distance formula?	Image: distance_formula (image/png)
What is the midpoint formula?	Image: Midpoint_formula (image/png)
How do you calculate a gradient?	Image: Gradient (image/png)
what does "tanθ" equal?	Gradient
What are parallel lines?	When they have the same gradient
What are points that lie on the same straight line?	collinear
What are perpendicular lines?	Lines that have gradients m1xm2=-1.
What is the equation of a straight line?	Image: Equation_of_a_straight_line (image/png)
Image: median_example (image/png)	8x-3y-59 =0.
Image: Altitude_example (image/png)	11x+y-28=0
Image: PB_example (image/png)	x+y-5=0
How do you work out the point of intersection?	Elimination or Substitution (Equating)
Image: intersection_of_lines (image/png)	(-3,5)
What is concurrency?	Image: intersection_of_lines (image/png)
Image: domains (image/png)	We cannot divide by zero, so x ≠ −4
A function f is defined by f(x)=sin°. Identify its range.	-1≤f(x)≤1 .
f(x) = 2x g(x) = x-3 Find f(g(x))	f(g(x)) = 2(x-3)
What are inverse fuctions.	when f(g(x))=g(f(x))
Image: domains (image/png)	Image: ans (image/png)
What are the exact values?	Image: exact_values (image/png)
Image: graph_transformation_q1 (image/png)	Image: graph_transformation_q (image/png)
Image: nature_q (image/png)	Image: nature_a (image/png)
Image: derivatives (image/png)	Image: derivatives_a (image/png)
Image: optimisation (image/png)	Image: optimisation_a (image/png)
Image: recurrance_relations (image/png)	Image: recurrance_relations_a (image/png)
How do you calculate a limit?	l=b/1-a.

What is the distance formula?

Image: distance_formula (image/png)

What is the midpoint formula?

Image: Midpoint_formula (image/png)

How do you calculate a gradient?

Image: Gradient (image/png)

what does "tanθ" equal?

Gradient

What are parallel lines?

When they have the same gradient

What are points that lie on the same straight line?

collinear