Equations with variable
What is a variable?
A letter representing an unknown number in an equation.
How else can you express (3^5)?
3 x 3 x 3 x 3 x 3
–3x^5 is a:
Monomial
Which of the following could work as bits for a binary system?
The flip sides of a coin
How could you rephrase the inequality, x > 6?
x is greater than 6
In the equation 2x + 3y = 19, what is the variable?
Both x and y are variables
What is n x (n^2)?
n^3
5x^3 – 2y + 5 is a:
Trinomial
How is the NOT gate different from all other basic gates?
It has only one input
What is the solution set to x if 0 < x < 6?
1, 2, 3, 4, 5
What branch of mathematics deals with equations with variables?
Algebra
(2^6) / (2^2) =
2^4
Which of the following is a binomial?
a + b
10x
8y^3
2x^5+8x+10
Which logic gates output a 1 if their inputs are 0 and 1?
NAND, OR, and XOR gates
Gary wants at least 9 pieces of sushi, but no more than 12. If "s" stands for "pieces of sushi," how can you express this as an inequality?
9 (is less than or equal to) s (is less than or equal to) 12
Which symbol is present in every equation?
=
(5^4) x (5^8) =
5^12
What does 8/y + 6 have in common with 8^y + 5?
Neither is a polynomial
Today's logic gates are the size of:
Body cells
What is the solution set to x if 3 (less than or equal to) x < 5?
3, 4
How do we figure out the value of a variable?
Isolate the variable on one side of the equals sign.
(6^8) / (6^6) =
36
What is the degree of the polynomial x^2 + 3x + y?
2
A logic gate is to electricity as:
A faucet is to water
What is the solution to x - 2 < 6 ?
x < 8