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Riddles
100

What does slope represent?

change in x/y

100

Is 2d + 5 an expression or an equation?

expression

100

Which number is the coefficient in the equation 3x + 6 = 18

3

100

Find the slope: y = 3x + 5

3

100

An elephant in Africa is called Lala. An elephant in Asia is called Lulu. What do you call an elephant in Antarctica?

Lost

200

What is the formula for slope intercept?

y = mx + b

200

Is 5c - 2c = 3c and expression or equation?

Equation

200

Convert 120 ft = _________yd

40 yds

200

3y - 9 if y = 3

0

200

How many sides does a circle have?

2: the inside and outside

300

What are two words to describe how 2 relates to 1/2?

Inverse, reciprocal 



300

Addition and subtraction are examples of _________.

Inverse operations

300

How many solutions does the graph have?


1

300

You spend $40 on 5 pounds of concrete. What is the unit rate in dollars per pound?

$8 per pound

300

If you buy a rooster for the purpose of laying eggs and you expect to get three eggs each day for breakfast, how many eggs will you have after three weeks?

None, because roosters do not lay eggs.

400

Solve:

15f−23=2(4f+20)

f = 9

400

Twice a number is 18 more than 5 times a number.

2x = 18 + 5x

400

What is the slope and y-intercept of the graph of: y=12x−19?  

slope: 12


y-intercept: -19

400

4(−2k−8)=6(k+18)  

k = -10

400

If you multiply this number by any other number, the answer will always be the same. What number is this?

0

500

Six times a number is 45 greater than the product of the number and -3. Find the number.

5

500

What is the slope of the following pairs of coordinates?

(16 , -14)    (16, 9)

Undefined/No Solution

500

Simplify:

x + 10 -6(x - 3x) + 4

13x + 14

500

Which graph best represents: −5y=−6x+15? 

C

500

I am a three-digit number. My second digit is 4 times bigger than the third digit. My first digit is 3 less than my second digit.

 What number am I?

141