Geometry & Numbers
Solving Equations
Equations of Lines
Slope
Exponents
100

The missing number in the Pythagorean triple of...

9-12-???

What is 15?

100

The solution to the equation 3x + 2 = 23

What is x = 7?

100

The equation of the line with a slope of 3 and a y-intercept of 7.

What is y = 3x + 7?

100

The slope between the points (1, 1) and (2, 6).

What is m = 5?

100

The value of that makes the following true:

5^n = 5^11 * 5^3

What is n = 14?

200

The rational/irrational status of the following number:

0.423

What is rational?

200

The solution to the equation 4x + 10 = -2

What is x = -3?

200

The equation of the line with a y-intercept of -2 and going through (2, 4).

What is y = 3x - 2?

200

The slope between the points (1, 5) and (3, -3)

What is m = -4?

200

The standard form for how 8.32 * 10^5 is written

What is 832,000?

300

The length of a square's diagonal, if the square has a side length of 5 cm.

(estimate this length to the nearest tenth without using a calculator)

What is the square root of 50, AKA about 7.0 to 7.1 cm?

300

The solution to the equation 7x - 11 = 5x + 9

What is x = 10?

300

The point where the lines of y = 2x + 1 and 

y = 3x - 4 intersect (list both coordinates)

What is (2, 5)?

300

The slope between the points (2, 21) and (8, 18).

What is m = -0.5?

300

The scientific notation form for how 0.00002468 is written

What is 2.468 * 10^-5?

400
The number of books read by Neenunoo, if Neenunoo and Rareiru read a total of 22 books and Neenunoo read 4 more books than Rareiru

What is 13 books?

400

The solution to the equation 2(x + 5) = 6x - 14

What is x = 6?

400

The point where the lines of y = -3x + 6 and 

y = 2x - 4 intersect (list both coordinates)

What is (2, 0)?

400

The slope between the points (-4, -10) and (1, 8).

What is m = 18/5, or 3 3/5, or 3.6?

400

The simplified version of the following (written in scientific notation):

(6 * 10^12) / (3 * 10^4)

What is 2 * 10^8?

500

The estimate of the square root of 74 to the nearest tenth

What is 8.6?

500

The solution to the equation:

3(x - 4) + 5x = -2x + 26

What is x = 3.6?

500

The point where the lines of 4x + 2y = 8 and 

4x + y = 4 intersect (list both coordinates)

What is (0, 4)?

500
The value of a, so that a line with a slope of 2 goes through (3, -2) and (-1, a).

What is a = -10?

500

The simplified version of the following (written in scientific notation):

0.0000025 * 0.0003

What is 7.5 * 10^-10?