True or False 72 is an integer.
True
Solve 5x=45
x=9
True or False. When working with a function, substituting a certain value of x into the formula gives only one value of y for that value of x.
true
A line crosses the x-axis at 7, and crosses the y-axis at -6. Is the slope of the line positive or negative?
positive
Simplify with a positive exponent,
3/x4
Dave bought 3 shirts at $19.90, and a pair of jeans for $20.50. The shop has a sale on, and so he receives a $8.02 discount. Write and solve an expression for what he spent.
$72.18
Fill in the blank to make the statement true. The addition property of equality states that if a=b, then a+c= ____+c
b
Consider the function y=4x-3. What is the independent variable of the function?
x
Does y=-3 have a y intercept?
yes
Fill in the blank to make the statement true.
a4
Simplify
-135m3
Solve D=RT for R.
Find the inverse of the function y=5x.
y=x/5
What does b stand for in the equation y=mx+b?
y intercept
2.629 x 105
Which of the following is a measurement of capacity?
a. Gallons
b. centimeters
c. pounds
d. inches
gallons
Rewrite the inequality lxl>2 without absolute value.
x>2
-x<2
Does the graph below have an inverse?
yes
What equation form is y-2=5(x-2) in?
point slope form
9.1125 x 10-8
How many significant figures are in 10.20?
4
How many solutions will the equation x=a, where a is a positive number, always have?
2
List the elements in the set {x⏐x is a natural number less than 5}.
1,2,3,4
Consider the points in the table. The time (x) is measured in minutes. By how much is the temperature increasing each minute?
+3 degrees
Is the result of the sum a rational or an irrational number?
Irrational