Algebra and Equations
Simplify 4a + 2b +3a -5
7a+2b-5
Simplify sqrt(75)
5*sqrt(3)
Write 0.000043 in scientific notation.
4.3 x 10^(-5)
Name the types of atoms that make up a water molecule.
Hydrogen and Oxygen
What is the 2025 Dictionary.com "Word of the Year" that originated from a Skrilla song and refers to a meme used as a nonsensical response to anything?
Six Seven
Solve the equation 2(x+3)-4=10
x=4
Write the tenth root of x in index form.
x^(1/10)
Find the mean of the data set 2,4,7,9,18
8
What type of mammal are the platypus and echidna?
Monotreme
What song did Katy Perry sing during her brief flight to space in April 2025?
"What a Wonderful World" by Louis Armstrong
Simplify x/4 + (2x-5)/3
(11x-20)/12
Convert 0.2333333333333... to a fraction and simplify.
7/30
Jackson earns $16 an hour. If he worked 5 hours at time-and-a-half rates, find his pay.
$120
Approximately how many minutes does it take sunlight to reach the Earth from the Sun?
8 minutes
What high school subject did Walter White teach in Breaking Bad?
Chemistry
Which statement is false?
1. Two linear simultaneous equations can have no solutions.
2. Two linear simultaneous equations can have two solutions.
3. Two linear simultaneous equations can have an infinite number of solutions.
Statement 2 is false.
Factorise 2x^2-26x+72.
2(x-9)(x-4)
What is the formula for the surface area of a sphere?
SA=4*pi*r^2
What is the name of the vascular plant tissue that transports water and dissolved nutrients upward from roots to the rest of the plant?
Xylem
In the Lord of the Rings, how many of Sauron's rings of power were given to the dwarves?
Seven
Other than when multiplying or dividing by a negative, name one other situation where you must swap the inequality sign when performing an operation to both sides of an inequality.
Taking reciprocals of both sides
(Other answers are also possible)
What is the name given to expressions of the form x^2+bx+c where b and c are non-zero?
Jill is trying to defeat a hard boss in a video game. She has a 3% chance of victory each attempt. If she has 50 attempts, what is the probability that she still has not defeated the boss at least once? (As a percentage, correct to 1 dp)
21.8%
What is the name of the largest moon in the solar system?
Ganymede
What battle, lost by the French on June 18th, 1815, would be referenced in the lyrics and title of what song by ABBA?
Waterloo