Find
sqrt(169)
13, -13
There are two answers to any square root problem.
Simplify the expression:
9h + 4 - 13h + 6
-4h + 10
Use the function rule to find the value of f(x) when x = 4
f(x) = -2x + 6
f(x) = -2
Find the slope and y intercept in the equation y = -x + 4
m = -1
b = 4
Rewrite the fraction as a decimal:
7/12
0.58 bar33
Estimate
sqrt(54)
7 and 5/15 or 7.3
Simplify the expression
6 - 3(2x + 4)
-6x - 6
Use the function rule to find the value of the function when x = -6.
f(x) = -1/2x + 10
f(x) = 13
Find the slope and y intercept from the table:
m = 2
b = 2
Solve.
root(3)(216/1000)
6/10
Find the cube root of -216.
-6
There is only one answer for a cube root problem.
Solve the equation 5x - 17 = 8
x = 5
Describe the correlation shown by the scatter plot below.
Positive Correlation
Use the coordinate pairs to find the slope: (-3, 1) and (5, 1)
m = 0
There is no change in y and 0 divided by anything is zero.
On your whiteboard table, draw the 4 quadrants of the coordinate plane and label them correctly, 1-4.
Use the pythagorean Theorem to find the missing side:
y = 5
Solve the equation
10 + d/3 = 20
d = 30
Use the scatter plot shown below to predict the sales when the temperature is 20 degrees celcius.
$450
Find the slope and y intercept of the graph shown below. Then write the equation.
m = 2/1 or 2
b = 1
y = 2x + 1
Write the equation of the graph shown
y = -2x + 2
Find the missing hypotenuse.
x = 10
Solve the equation for c.
5(4c - 2) = 7c - 23
c = -1
Interpret the relationship. What is happening to ice cream sales as the temperature increases?
Ice cream sales increase as the temperature increases.
An electrician charges $30.00 for a house call and $70.00 an hour. Write a linear equation that shows how the total cost of the electrician’s work y, depends on the number of hours x the electrician works. State the initial value (constant) and rate of change?
y = 70x + 30
Initial value is $30.
Rate of change is $70 per hour.
Write and solve an equation from the following statement. Seven less than four times a number x is two more than the number. What is the number?
x = 3