___________
Maths
Graphical representations
Starter quiz
Try it
Give to class
The
-
______
is the point where a line or curve meets the
y
-axis.
'intercept' ✓
Which of these graphs will form straight line when plotted?
y=2x+3
✓
y=2x^3+3
y=3x^2+3
y=3x-2
✓
y+2x=3
✓
Identify the linear graphs with a gradient of 4.
y=4x-3
✓
y=x+4
y= 3 - 4x
y=4x^3
y=3+4x
✓
These are all linear equations which give straight line graphs. Match each linear equation with another equation to form a pair of parallel lines.
y=5x+2
⇔
y=2+5x
✓
y=5-2x
⇔
y=-2x+5
✓
y=2x
⇔
y=2x+5
✓
y=x-5
⇔
y=x-2
✓
y=2-x
⇔
y=-x-5
✓
What features of the graph of
y=5-7x
can be found just by looking at the equation?
It has a gradient of
7
It has a gradient of
-7
✓
It has a
y
-intercept of
5
✓
It has a
y
-intercept of
-7
It is a straight line. ✓
Which of these equations could this sketch represent?
y=3x-8
y=8x+3
✓
y=8-3x
y+8x=3
y-3x=8
✓
+