Number System
Which number is larger?
1.3 or 3/2
3/2
What is 80?
1
What is the equation for a linear function?
y = mx + b
What is the Pythagorean Theorem?
a2+b2=c2
Sketch a scatterplot with a negative association.
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What is 𝜋 to the hundredths place?
3.14
Solve for r: r2 = 49
Draw a graph with a positive slope.
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What does it mean when 2 rectangles are congruent?
They have the same length and width?
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What is the square root of 81?
9
Express the following number in scientific notation: 930,000,000
9.3 x 108
Is this a linear function? 𝑦 = −2x2 + 3
No
What is the longest side of a right triangle called?
Hypotenuse
Kayla asked 20 students in her class whether they owned a dog or not. 30% said they did own a dog. How many students did not own a dog?
14
What is 5 times the square root of 36?
30
The average person speaks about 150 words per minute. John gives campus tours that are 20 minutes long, 2 times per day. About how many words does John speak in 1 week (5 days)?
30,000
Graph the following equation: y=3x+4
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If a triangle has one angle that is 80o and another angle 40o, what is the degree of the third corner?
60o
If you flip a quarter 1 million times, how many times would you expect it to land on heads (on average)?
500,000
What is the cube root of 27?
3
Plant A and Plant B are on different watering schedules. This affects their rate of growth. Plant A started at a height of 4 inches and grows 2 inches per week. Plant B started at 2 inches and grows at 4 inches per week. Which plant is larger after 3 weeks?
Plant B
Plant A: 10
Plant B: 14
An apple falls 20 feet from a tree at a rate of 2 feet per second. How many seconds does it take to hit the ground?
10 seconds
What is the volume of an ice cream cone with height 6 and radius 3? Express in terms of Pi.
π x 32 x 5 /3 = 15 x π
There are 140 dogs at the Fayetteville Dog Daycare. 45% of dogs are male. How many dogs are female?
77