Vocabulary
Linear 1
Linear 2
Quadratics
Exponentials
100

A _________ relationship is the relationship that graphs a straight line. 

Linear

100

The rule or standard form for a linear relationship is usually written as ___?

y=mx+b / y=mx+c

100

_______ lines have the same gradient / slope

Parallel

100

What is the shape of the graph of a quadratic relationship called?

Starts with a P

Parabola

100

What is an asymptote?

The line that the graph approaches but never touches

200

The ________ is the slope of the line, and it represents the rate of change.

Gradient

200
What is the gradient and y-intercept of the equation 

y=2x-7

gradient = 2

y-intercept = -7

200

A line has a gradient of  5/3 

. What is the gradient of a line perpendicular to it?

 -3/5 

200

In the equation y=-x2+4x-3, will the parabola open upwards or downwards?

Downwards: the x2 is negative 

200

What happens to the graph of an exponential function when a becomes bigger in the equation y=ax

The graph becomes steeper and rises (or falls) more quickly

300

The _______ is the point where the graph crosses the y-axis and x=0

Y-intercept

300

Find the midpoint of the line segment joining the points A(2,5) and B(6,9).

Your answer should be a coordinate

(4,7)

300

Is the line y=2x+1 parallel to y=2x−5? Why or why not?

What is yes, because they both have the same gradient of 2?

300

Find the axis of symmetry of the parabola given by y=x2-6x+8

x=3

300

Is the below graph an example of exponential growth or decay?

Exponential growth

400

A _________ is an equation where the highest power of the variable is 2.

Quadratic

400

Find the distance between points A(1,2) and B(3,5). Round your answer to 2 decimal points. 

3.61 

400

If a line has a gradient of 0, what does the graph look like?

A horizontal line

400

Complete a table of values for y = 3xfor values -2 to 2

400

Complete a table of values for y = 3x for values -3 to 3

500

A _________ relationship is where the graph is not a straight line, and the rate of change is not constant.

Non-linear

500

Which of the following equations represents a line with a steeper gradient:

 y=2x+1 or

y=5x-3

y=5x-3

500

What is the gradient of a line that goes down from left to right?

What is a negative gradient?

500

Given the below graph:What is the:

vertex = 

axis of symmetry =

concavity = 

y intercept = 

x intercepts =

y and x intercepts = 

vertex = (0, -4)

axis of symmetry = x=0

concavity = up

y intercept = (0, -4)

x intercepts = (-2, 0) and (2, 0)

500

Is the graph of  y=(1/2)^x increasing or decreasing?

It is decreasing

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