Gradients Flashcards
1
Q
2y=6x+4 is 6
A
βis (number)β ?
2
Q
Would y=x be a curve or a straight line?
A
A straight line
3
Q
y=2^x
A
Curve with (0,1),(1,2),(2,4) etc. 2 to the power of x
4
Q
y=-x^3
A
Curve through (0,0) where -4=x is 64 and 4=x is -64
5
Q
(0,0) is the _________.
A
Origin
6
Q
If y=2x, (1,_)
A
2
7
Q
If y=x^x (3,_)
A
27
8
Q
If y=x^x, (_,256)
A
4
9
Q
What is the gradient of the line 5 up and 4 along?
A
5/4=1.25
1.25y=x
10
Q
With a _______ line graph the formula will include _____ or some other _______ of x.
A
Curved
x^2
Power
11
Q
(1) Choose any __ points on the line.
(2) Draw the right-angled triangle with the line as the ______.
(3) Use the scale on each axis to find the triangles ____and ___ length.
(4) Work out the VL/HL. The result of this is the gradient of the line.
A
2
Hypotenuse
Vertical and Horizontal