Linear Equations
What is another way to write y in this equation:
y = 3x - 2
f(x), or any letter of x
What shape does a quadratic function look like?
U-shape or parabola
How do you simplify a radical
View the Data Table to the right of the board. How many Dogs have dark hair?
12
A = 9E/N
Solve for E
E = AN/9
Identify the y-intercept of the following equation:
y = 2x + 7
7
How do you know an exponential function is growth or decay based on its equation.
(Hint: Use an inequality)
0 < b < 1 = decay
The maximum or minimum point. It is where the parabola turns and crosses the axis of symmetry.
Vertex
View the Data Table on the white boards. How many more cats have light hair than dark hair?
5
Rearrange this equation into slope-intercept form. Solve for y:
7x + 4y = 14
y = 7/4 x + 14/4
What is Slope-Intercept Form and Point-Slope Form?
y = mx + b
If an investment is compounded quarterly, what does n equal in the compound interest formula.
n = 4
Provide the proper operation for each term:
Sum
Product
Quotient
Difference
Addition
Multiplication
Division
Subtraction
Categorical
Solve and graph this compound inequality on a number line
2x -1 (greater than or equal to) 3
OR
1/2x + 4 (greater than) 7
See Board
Which equation has the smallest slope:
y = 3x -4
y = 1/2x + 3
y = 2/3x -1
y = 3/5x + 9
Option 2
What is the formula to solve for the x-coordinate of the vertex?
x = -b / 2a
Explain what the y-intercept and x-intercept are
y-intercept = where the line crosses the y axis
x-intercept = where the line crosses the x axis
What is the frequency of cats with light fur in the total population, based on the data table.
Provide your answer as a fraction and percentage
10/32
31.25%
Which equation represents exponential growth?
y = 4(2)x
y = 0.5(1/2)x
y = 7(3/5)x
y = 0.1(1/5)x
Option 1
y = 4(2)^x
Solve the following equation for x
-(1+7x) - 6 (-7 - x) = 36
x = 5
What are the three other names for ZEROES in a quadratic equation?
Roots, Solutions, and x-intercepts
Write an equation representing the following:
The sum of a number and 4 is the difference of 3 times 15, and 12
x + 4 = 3(15) - 12
How do you find the mean, median, and mode?
Mean - sum of all numbers divided by amount of numbers
Median - Middle number of data set when organized smallest to biggest
Mode - most frequently occurring number, can be more than one
Simplify sqrt24/sqrt8
sqrt 3