Which of the following numbers is irrational?
⅗, 21.6, 1.375, 3.14 (π), -0.25
π (3.14)
Definitions of
Polynomials -
Monomial -
Binomial -
Trinomial -
a polynomial is a mathematical expression consisting of variables and coefficients,
-an algebraic expression consisting of one term.
-an algebraic expression of the sum or the difference of two terms.
-an algebraic expression consisting of three term
Decide whether the following scatterplots depict Linear or Non-linear trends.
1. Linear
2.Linear
3.Non Linear
4.Non Linear
5.Non Linear
2,5,6,9,9,12,15,20,22
Median?
Mode?
Mean?
Range?
median - 9
mode - 9
mean - 11.11
range - 20
Convert
24kg = ?? grams
30kg = ?? grams
24kg = 24000 grams
30 kg = 30,000 grams
What are the categories of Real Numbers??
Solve 3x + 2y + 4y - 3
3x+6y-3
What are 3 formulas that calculate the slope
1. rise / run
2. y2-y1 / x2-x1
3. 🛆 y / 🛆 x
what are the diffrent types of numbers needed in a box n whisker plot
Min, Max, Median, Lower Q, Upper Q
Using imperial mesurements
5 cm = ? in
180 lbs = ? kg
5cm = 1.9685
180lbs = 81.65 kgs
Classify these numbers
Irrational - Rational
π -3.14
√10
1.235648
9.45454545….
¾
Irational - Π √10 1.235648
Rational - ¾ 9.454545….
Solve - 3(x2 - 2x + 4)
3x^{2}-6x+12
slope =?
y -int = ?
equation?
slope = 100/10 = 10
yint = 200
equation = 10x +200
Find the lower quartile, upper quartile, interquartile range
2,8,9,10,12,15,18,24,26
Lower quartile - 8+9/2 = 8.5
Upper Quartile 24+18/2 = 21
Interquartile 21-8.5 =12.5
How many degrees is a triangle?
180
1) If you add two positive integers, what sign will the answer have?
2) If you add two negative integers, what sign will the answer have?
+
-
solve
k=11
where is the point of intersection?
(2,2)
describe the trend, describe the relationship, state the correlation
Trend - positive
relationship - when the temperature increases, so does the sales.
correlation- strong and positive
What is the degrees of the central angle?
O = 128
What is the rule for when a square root number is rational?
Square roots of perfect squares are always whole numbers, so they are rational. Meaning if the square root makes a perfect square then it is rational.
3. A cellpone costs $250 for the phone and $55 per month.
Use the equation 55m + 250 = 910 to calculate how many months to reach a total of $910.
m/months = 13.5
Find the x and y intercepts.
3x+4y=9
x=3
y=2.2
Using the best fit line, how many hot cocoas would sell once the temperature reaches 40?
approximately 33 hot cocoas
Find the volume and sa of the cylinder
Volume = 502.65
Sa = 351.86