Rational & Irrational Numbers
A rational number is a number that can be expressed as a __________.
fraction (or ratio of two integers)
What is the inverse operation of squaring a number?
Taking the square root
32 x 37 = ?
39
a2 + b2 = c2 can be used to find the missing side of what kind of shape.
A right triangle
The constant of proportionality for a proportional relationship can be expressed as k = ?
y/x
What are the solution(s) for the following equation?
x2 = 81
9 and -9
Solve the inequality for x
-24x<48
x > -2
What is another way to write 16-8?
1/168
If a right triangle has a hypoteneuse length of 18 and a side length of 6.5, what is the EXACT length of the third side.
square root of 281.75
If 4 bags of M&Ms cost 4.64, how much does it cost for 7 bags?
$8.12
Between what two integers would the square root of 134 lie?
11 and 12
Solve the equation
-5(x+12)=35
x=-19
An amoeba typical length is 0.00023 inches. What is this in scientific notation?
2.3 X 10-4
If two sides of a triangle have the lengths 13 and 27, what is the range of the possible side lengths for the third side? (_____ < x < ______)
14 < x < 40
When looking at the graph of a proportional relationship, what equation would represent a graph whose line goes through the points (0,0), (8,4) and (2,1)
y=0.5x
The square root of (34) + 10 is closest to what whole number on the number line?
16
Solve the equation
2(2x+4) = 4(6x-8)
4.5 x 105 + 7 x 104 = ?
5.2 x 105
What is the approximate distance between the points (1,3) and (-3, 6)
5
If 58.61 Indian Rupees is equal to 1 Canadian dollar, how much would cost, in Rupees, for a hotel in Canada that cost $65.
$3,809.65
Convert 0.4 repeating to a fraction
4/9
David made $234.50 working one night at a restaurant. He makes $7.50 per hour he works and made $56.00 in tips. What equation can be used to solve for how many hours he worked? (Use x as your variable)
234.50 = 7.5x + 56
The surface area of Mars is 55,000,000 miles squared and each square mile of Florida has an average population of 4.21 x 102. If each square mile of Mars had the average population per square mile of Floridians, how many people would be on Mars?
2.3155 x 1010
If triangle ABC and DEF are similar triangles with corresponding sides AB and DE having the lengths 12 and 60, respectively, what is the length of side EF is its corresponding side BC has a length of 20?
100
Each inch on a map equals 45 miles according to the scale. If the distance between Orlando, Fl and Chicaog IL is 26 inches on the map, how far is the distance in miles between Orlando and Chicago?
1170 miles