Expressions
What is the difference between an expression and an equation?
an equation has an equal sign (one answer)
What are inverse operations?
the opposite operation
What is the answer to anything raised to the power of zero?
it equals one
What is the definition of domain and range?
domain: x-values
range: y-values
What type of number is pi?
irrational
Simplify the following expression:
2x + 9 - 10x + 5
-8x + 14
Solve the following one-step equation:
3x = -15
x = -5
The product rule states that we do what operation with the exponents?
add them
What is the variable that we use for slope?
m
What is Miss Robertson's middle name? (could provide more than one answer)
Alexis, Battershell
Simplify the following expression:
3(x + 4) - 2x + 11
1x + 23
Solve the following two-step equation:
2x - 7 = 20
x = 13.5
The power of a power rule states that we do what with the exponents?
multiply them
What test can we use to see if a graph represents a function?
vertical line test
What are the four steps we follow to solve a multi-step equation?
distribute
combine like terms
seclude the variable
solve
Simplify the following expression:
4(x + 12) + 8(x - 2)
12x + 32
Solve the following equation:
5x + 2 = 2x - 6
x = -2.7
What is the difference between exponential growth and decay?
One formula shows increasing, one shows a decrease
What is the formula we use to find the slope between two ordered pairs?
y2-y1/x2-x1
What is Miss Robertson's favorite vacation spot?
Hawaii
Simplify the following expression:
-6(x - 10) -7(3x + 4)
-27x + 32
Solve the following equation:
4(2x - 1) + 3x = 24
x = 2.55
FOIL the following set of binomials:
(x + 3)(2x - 1)
2x2 + 5x - 3
What is the graph called for a quadratic equation?
parabola
How many numbers are in the number pi?
infinite