QUESTIONS ANSWERS A+
◉ real numbers. Answer: irrational & rational (AKA all numbers)
◉ irregular numbers. Answer: numbers that cannot be written as a
fraction ; numbers that do not repeat but continue ; square/cube
roots that are not complete #
◉ rational numbers. Answer: can be repeated numbers, can be
fractions, terminating numbers (they end)
◉ of. Answer: X
◉ is. Answer: =
◉ percent increase. Answer: new value - old value / old value
◉ percent decrease. Answer: old value - new value / old value
◉ percents to decimal. Answer: move two spaces over to left
(exception 320% = 3 2/10)
,◉ Area. Answer: all of the sides together (A2+B2=C2 if hypotenuse)
◉ My donkey came lame X-ray info. Answer: M D C L X V I ---- VLD
cannot be used more than once
◉ 2.54 cm = ?. Answer: 1 inch
◉ milli
centi
deci
G
deca
hecto
kilo. Answer: .001
.01
.1
1
10
100
1000
,◉ 1 ft - ?. Answer: 12 inches
◉ 1 yd. Answer: 3 ft
◉ 1 lb. Answer: 16 ounces
◉ 1 cup. Answer: 8 ounces
◉ 1 kg. Answer: 2.2 pounds
◉ dependent variable. Answer: changes due to the independent
variable : 'DEPENDS'
◉ independent variable. Answer: does not change ; is "independent"
◉ control group vs. experimental group. Answer: control group =
placebo ; nothing happens to them
experiment group = is the one being tested on
◉ line graph. Answer: shows change over time or compares two
quantities ; X _ Y I axis
, ◉ pie charts. Answer: shows 100% or whole circle that can be split
up into sections
◉ histograms / bar graph. Answer: show frequencies of an event
◉ "is less than vs less than". Answer: is < VS -
◉ "is greater than vs more than". Answer: is > VS +
◉ if absolute value. Answer: 1) check to see if solution side is
negative (if negative & is < or = then NO solution) but (if negative is
greater than then ALL REAL NUMBERS)
2) if absolute value is negative once numbers are added/subtracted
outside of absolute then base off of above
◉ absolute values. Answer: 1) use the equation given and solve
- if there is a number outside of absolute values, then use it then
solve.
- once solved the original, put negative sign outside absolute, then
divide by -1 to both sides causing the change for solution side/the
symbol
◉ ><. Answer: and