Rational numbers
To which of the following sets of numbers does 7/8 belongs?
natural, whole, integer or rational
rational
In which quadrant is a point with positive x-coordinate and a negative y-coordinate?
IV
solve:
25-(-17)=?
42
what is the formula to find constant rate of change?
k=y/x
How do you find the constant of proportionality?
by dividing the dependent variable by the independent variable in any proportional pair of values?
y/x
8x12=?
96
True or False? Is 6 a natural, whole, integer and rational number?
True
True or False? is (0,-4) located over the x-axis?
False
45/-9
-5
what is the constant rate of change on this equation?
y=-9x
-9
if 6 apples cost $3, what is the constant of proportionality representing the cost per apple?
.50 cents
9845 divided by 7
1406
Which of the following statements is not true?
1.- all whole numbers are rational numbers.
2.-All integers are rational numbers.
3.-all integers are whole numbers.
4.- all continuing (natural)numbers are whole numbers.
3.- all integers are whole numbers
How many quadrants are there on a coordinate plane?
Four quadrants
5(3+8)-10/2=?
50
True or False? a straight line on a graph indicates a constant rate of change?
yes
solve for x,
x/15 =5/3
25
7659 x6=?
45954
Which list the correct labels for the diagram shown?
A B C D
Rational natural natural rational
integers whole integers integers
whole integers whole natural
natural rational rational whole
A
rational
integers
whole
natural
What are the coordinates of a point located 3 units to the right and 2 units down from the origin?
(3,-2)
10+(3x6)+34-(-6)=?
68
How do you find the constant rate of change from a table of values?
calculate the change in the y-values divided by the change in the x-values for any two pairs of data points.
find the unit rate of 84lbs /3bags.
28 lbs. per bag
895-409=?
486
Set A={0,3,8}. Set A is NOT a subset of which set of numbers?
F.- Rational numbers H.-Whole numbers
G.- Integers J.- Counting numbers
J.- Counting numbers
True or False? Can you use a coordinate plane to graph a line?
true
3^4 power?
81
Give me an example of a real-life situation with a constant rate of change.
ex. driving at a steady speed, earning a fixed hourly wage, water filling a container at a consistent rate...et
a car travels 120 miles in 2 hours. At the same speed, how far will it travel in 5 hours?
300 miles.
evaluate y when x=9
y=4x
36