Square roots
Probability
Right Triangles
Functions
Equations of Lines
100
What is the square root of 25?
5
100
I have 20 pets in total. 5 are dogs, 8 are black, and 10 have tails. I pick a pet at random. What is the probability that I choose a dog? Write this as a percent.
25%
100
13
100
Does the following table show a function?
No, each input does not have one and only one output value.
100
What is slope intercept form?
y=mx+b
200
What is the square root of 9/16?
3/4
200
I have 48 pet rocks. 20 are granite, 18 are obsidian, and 10 are quartz. I choose a rock at random. What is the probability that I choose a quartz? Answer as a percent.
Around 20.8%
200
The legs of a right triangle are 19 cm and 180 cm. What is the length of the hypotenuse?
181 cm
200
Does this graph show a function?
No! The input values (x-values) have more than one output values (y-values)
200
What is the slope and y-intercept of the equation y = -3x - 6
slope = -3
y-int= (0, -6)
300
What is the square root of 0.81?
0.9
300
I have 48 pet rocks. 20 are granite, 18 are obsidian, and 10 are quartz. I choose a rock at random. What is the probability that I choose a granite rock or quartz? Answer as a percent.
62.5%
300
12 cm
300
Does this graph show a function?
Yes! Each input value (x-value) has one and only one output value (y-value)
300
What is point slope form?
y-y1=m(x-x1)
400
Approximate the square root of 10.
Somewhere between 3 and 4. Closer to 3 because 10 is closer to the perfect square 9.
400
I have 48 pet rocks. 20 are granite, 18 are obsidian, and 10 are quartz. I choose one rock at random, put it back, then choose another rock at random. What is the probability that I choose an obsidian then a quartz rock? Write this as a percent.
Around 7.8%
400
Can the sides of a right triangle be 16 ft, 30 ft, and 34 ft?
Yes, it satisfies the Pythagorean Theorem!
16^2+30^2=34^2
400
How do you say this notation? f(x)
"f of x"
400
Here is a line y=3x+1
What is the slope a line parallel to this line?
What is the slope a line perpendicular to this line?
3, -1/3
500
Approximate the square root of 48.
Somewhere between 6 and 7. It would be really close to 7 because 48 is closer to the perfect square 49.
500
I have 48 pet rocks. 20 are granite, 18 are obsidian, and 10 are quartz. I choose one rock at random, keep it, then choose another rock at random. What is the probability that I choose an obsidian then a granite rock now? Write this as a percent.
Around 8%
500
Can the sides of a right triangle be 247, 265, and 96?
Yes! It satisfies the Pythagorean Theorem.
96^2+247^2=265^2
500
Do the points (4,5), (-2,5), (4, 3) and (6,0) show a function?
No! One input value has more than one output value.
500
Does the point (-3, 6) lie on the line y = 2x + 12? Determine this without a graph!
Yes, the point is a solution of the line.
6=2(-3)+12