you positive or negative?
change it
graphs, tables, equations
is it linear?
hodge podge
100
-2 - 2 = ?
-4
100
Apply the rule (2x, 2y) to the point (3,6)
(6, 12)
100
What must be true for a graph to be linear?
straight line
100
Is the graph linear or not linear?
linear
100
What is the rectangles perimeter?
18cm
200
-36 divided by -6 equals?
6
200
Write a rule that creates a similar but 3 time bigger
(3x, 3y)
200
What is the coefficient of the equation from the table?
3
200
Is the table linear? If so, why?
yes, time goes up by 1 and distance goes up by 6.5
200
What is the area of the triangle?
25in2
300
2 x (-3) + 4 = ?
-2
300
If shapes are similar, do they have the same perimeter? (true or false)
False
300
If an equation has a negative coefficient, what happens to the graph?
goes down/decreases
300
What must be true for a table to be proportional?
increase/decrease by the same amount and contain the point (0,0)
300
When two graphs intersect, what does that tell us?
They are the same at that point
400
(81/-9) x 9 +3 x 4
-69
400
If a shape has a perimeter of 12cm and a similar shape has a scale factor of 4, what is the new perimeter?
48cm
400
What is the y-intercept and coefficient of the graph?
y-intercept: 4
coefficient: 2
400
Is the graph proportional? Why?
No, not straight
400
Solve the equation:
3x + 26 = 38
x = 4
500
(1/2) x (-1/3) +(5/6) = ?
Answer as a fraction
2/3
500
If two shapes are similar and shape A has an area of 10 and Shape B has an area of 40, what is the scale factor between Shape A and B?
2
500
Given the equation y = 4.6x + 6.4, what coordinate is a solution to the equation?
(1, 10) (6, 34) (11, 57)
(6, 34)
500
Write an equation that is linear.
numerous answers
500
What does this say?
i 8 sum pi