Solving for x
Geometry
Mathcounts
Factoring!!
Mr. Wong Trivia!
100

4x+7=31

x=6

100

An angle that is greater than 90 degrees.

What is obtuse?

100

Given that a mile equals 5280 feet, how many inches are in one-sixth of a mile?

10560

100

What is the GCF of 6x^7+3x^4−9x^3?

3x^3

100

What is Mr. Wong's favorite sport to watch?

Basketball

200

3x-1=5(x-1)-2(7-2x)

x=3

200

A triangle with a 90 degree angle and no sides of the same length.

What is a right, scalene triangle?

200

Parker has three sons: Alfred, Beto and Dell. When Alfred turned 11 years old, Beto was 9 years old and Dell was 4 years old. What was the average of their ages when Alfred turned 37?

34 years old

200

Factor 5x^2+14x−3 

(5x−1)(x+3)

200

What college did Mr. Wong graduate from?

UCI or Cal State Fullerton

300

2(x+3)-5(-x+2)=3x+2^2

x=2

300

A quadrilateral with two pairs of opposite sides parallel and all sides the same length. (it does not have to have right angles)

What is a rhombus?

300

What integer is closest to −7π?

-22

300

Factor 18x^2 - 39x + 20 

(3x - 4)(6x - 5)

300

How long has Mr. Wong been teaching at RHS?

20 years

400

6x^2-15x+10=2x-2

x= 3/2 and 4/3

400

A quadrilateral has 3 angles measuring 90 degrees, 100 degrees, and 70 degrees. What is the measure of the 4th angle?

100 degrees

400

A cylinder whose height is 3 times its radius is inscribed in a cone whose height is 6 times its radius. What fraction of the cone’s volume lies inside the cylinder? Express your answer as a common fraction.

4/9

400

Factor 45x^3 +18x^2 - 5x - 2

(3x + 1)(3x - 1)(5x + 2)

400

How many digits of pi does Mr. Wong know?

100

500

12x^2 - 6x + 10 = 0  

[3 + isqrt(111)]/12 and [3 - isqrt(111)]/12

500

What is an 11 sided polygon called?

hendecagon or undecagon

500

How many of the first million positive integers share no common factors greater than 1 with 2020?

396,040 integers

500

Factor x^2 + 2x + 1 - y^2

(x + 1 - y)(x + 1 + y)

500

How many states has Mr. Wong been to?

26

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