unit 1:
Polynomial expressions
Polynomial expressions
Factor the expression completely....
18x5+(2+3x2)
What is.... 36x5+54x7
Simplify using the imaginary unit i
square root of -144
what is.... 12i
Identify the center and radius of the circle
(x+4)2+(y-1)2=49
what is... (-4,1) , radius=7
Find the range and IQR of the data:
132, 140, 115, 158, 121, 167, 199
What is... range=84 and IQR=46
What college did Mr. Doughty go to?
What is... Eastern Illinois University
Simplify the expression
(6a−4b−c)−(3a+2c−b)
What is.... 3a-3b-3c
(3x−7)(x+5)=0
what is... x=7/3, x=-5
The equation y=-x2+4x+6 represents what type of conic section?
What is.... Parabola
A data set has a mean of 70 and standard deviation of 5. Find the z-score of the data value 82.
what is....2.4
What sport did Mr. Doughty play for 17 years?
What is... soccer
Factor the expression completely
5x2-22x+3
What is....(5x-1)(x-3)
x2-10x=-24
what is.... x=6, x=4
Identify the type of conic section represented by the equation: 6x2=24-4y2
what is.... Ellipse
The scores on a math test are normally distributed, with a mean of 82 and standard deviation of 7. What percentage of scores are less than 93?
What is... 94.18%
What did Mr. Doughty study in college
what is... secondary education mathematics (math)
Factor the expression completely:
-2x2-8xy-6y2
What is... -2(x+y)(x+3y)
12=30x-18x2
what is....x=2/3, x=1
Identify the type of conic section represented by the equation: 4x29y2+16=0
what is.... hyperbola
The scores on a math test are normally distributed, with a mean of 82 and a standard deviation of 7. What percent of students scored between a 72% and an 90%?
what is... 79.65%
What year did Mr. Doughty graduate from high school?
What is... 2021
Simplify the expression
9a2−4b+12ab−5a2+6b−3ab
What is.... 4a2+9ab+2b
20x2-25x=0
what is... x=0, x=5/4
What type of conic section do we call this?
10x2+10y2−40=0
What is.... Circle
Find any outliers in the data set:
10, 12, 15, 18, 19, 25, 30, 41 (already sorted)
what is... NO OUTLIERS
How old is Mr. Doughty?
What is.... 22