Match the vocabulary terms with their definitions.
| Stavka koja se može prevući | arrow_right_alt | Odgovarajuća stavka |
|---|---|---|
operation | arrow_right_alt | the smallest mathematical unit, usually a number, a variable, or a product of numbers and variables |
term | arrow_right_alt | a group of terms joined by operations, a mathematical phrase |
inverse function | arrow_right_alt | a process that takes (usually two) terms and produces a result; common ones include addition, subtraction, multiplication, and division |
function | arrow_right_alt | to assign a numerical value to, usually by substituting a numerical value for any variables in an expression |
equation | arrow_right_alt | an operation that assigns an output to each input |
evaluate | arrow_right_alt | a function that has the reverse outputs and inputs of another function; a function which undoes another function |
expression | arrow_right_alt | two expressions joined by an equal sign |
Match the functions/operations with their inverses.
| Stavka koja se može prevući | arrow_right_alt | Odgovarajuća stavka |
|---|---|---|
f(x) = x - 3 | arrow_right_alt | addition |
subtraction | arrow_right_alt | division |
f(x) = 3(x+2) | arrow_right_alt | f-1(x) = x/3 |
f(x) = 3x + 2 | arrow_right_alt | f-1(x) = x + 3 |
multiplication | arrow_right_alt | f-1(x) = |
f(x) = 3x | arrow_right_alt | f-1(x) = |
Put the steps in order to evaluate the following expression for x=2.
divide by 3
subtract 2
add 4
multiply by 5
Put the steps in order to solve the following equation for x.
divide by 5
add 2
multiply by 3
subtract 4
Which property justifies the following equation?
2x = 5x - 3x
Evaluate the expression for x = 5.
Enter your answer as a number, no spaces.
Evaluate the expression for x = -7
Evaluate the expression for x = 12, y = -8.
If
Enter your answer as a number, no spaces.
If
Enter your answer as a number, no spaces.
When Dr. Demo solved the equation 2(x+4)=10, he determined that x=3. Is Dr. Demo correct? Why or why not?
Solve the equation.
2x+16=32
Enter your answer as a number, no spaces.
Solve the equation.
5(x+3) = 60
Enter your answer as a number, no spaces.
Solve the equation.
Enter your answer as a number, no spaces.
Solve the equation.
Enter your answer as a number, no spaces.
Solve the equation.
|2x+5|= 7
Use x={#, #} format, with exactly one space after the comma. List the smaller number first. If there is only one solution, use x={#} format. If there are no solutions, type "no solution" with no quote marks.
Solve the equation.
Use x={#, #} format, with exactly one space after the comma. List the smaller number first. If there is only one solution, use x={#} format. If there are no solutions, type "no solution" with no quote marks.
Solve the equation.
Use x={#, #} format, with exactly one space after the comma. List the smaller number first. If there is only one solution, use x={#} format. If there are no solutions, type "no solution" with no quote marks.
Solve the equation.
Use x={#, #} format, with exactly one space after the comma. List the smaller number first. If there is only one solution, use x={#} format. If there are no solutions, type "no solution" with no quote marks.
Solve the equation.
Use x={#, #} format, with exactly one space after the comma. List the smaller number first. If there is only one solution, use x={#} format. If there are no solutions, type "no solution" with no quote marks.