this is a practice final exam, if you finish this before the final I will give you extra credit
this test includes problems that you will see.
this is a practice final exam, if you finish this before the final I will give you extra credit
this test includes problems that you will see.
LT 1A: I can write and interpret algebraic expressions.
Jacky is buying watermelons, pineapples, and coconuts to make a fruit salad. Watermelons cost $1.29 per pound, pineapples cost $2.19 per pound, and coconuts cost $1.75 per pound.
Write an expression to represent the total cost Jacky will pay for these fruits.
Define your variables: Watermelons:
The expression that represents the total cost is
The coefficient $1.29 represents
LT 1B: I can write and solve linear equations.
Jenny and Sam are at a summer carnival. Jenny buys 12 raffle tickets. Sam buys ice cream for $3 and 10 raffle tickets. They both end up spending the same amount of money.
Write and solve an equation to determine the cost of a raffle ticket.
The equation is
Each raffle ticket costs
LT 1C: I can solve an equation for a given variable.
Josh is talking on the phone to his friend Greg who lives in Europe. Greg is used to
describing temperatures in °C, while Josh is used to describing temperatures in °F.
Greg can use the formula above to quickly convert the temperatures Josh describes to °C.
Rewrite the formula in terms of F so that Josh can quickly convert the temperatures that
Greg describes to °F.
LT 1D: I can write and solve linear inequalities.
Alan is selling bags of chips to save for a trip. He already has $34 and is selling the bags of chips for $1.50 each.
Write and solve an inequality to determine how many bags of chips he needs to sell to earn at least $250.
The written inequality is
Alan must sell at least
LT 2A: I can represent relations and functions through various methods.
Directions: Express the following relation as a table, a graph, and a mapping diagram. The relation represents the grade level of students and the number of stickers they have collected.
This relation
LT 2B: I can apply and model with function notation.
WRITE YOUR ANSWER IN FUNCTION NOTATION.
LT 2B: I can apply and model with function notation. MAKE SURE YOUR ANSWER IS IN FUNCTION NOTATION.
LT 2C: I can use function notation to graph functions.
Directions: Complete the table of values to help you graph the following function.
LT 3A: I can determine the rate of change and slope in linear relationships.
Find the rate of change represented in this table of values. Simplify.
LT 3B: I can graph a linear function using intercepts.
Graph the following linear function by finding its intercepts:
The x-intercept is
The y-intercept is
3C: I can write and graph a linear function in slope-intercept form.
Directions: Write AND graph a linear function in slope-intercept form from the given scenario.
An investor invests $600 in a certain stock. The value of the stock has increased at a rate of $40 per month.
The linear function is
3D: I can write and graph linear inequalities.
Directions: Write AND graph a linear inequality from the given scenario.
Kim wants to spend at least $60 on gifts for her friends. Each gift will cost her $15 plus $6 to gift wrap it.
The written inequality is
Match each vocabulary word with its definition.
| Stavka koja se može prevući | arrow_right_alt | Odgovarajuća stavka |
|---|---|---|
Inequality | arrow_right_alt | The parts of an expression that are added or subtracted. |
Operation | arrow_right_alt | A symbol for a value we do not know yet. It is usually a letter like x or y. |
Coefficient | arrow_right_alt | Operations that undo each other. |
Expression | arrow_right_alt | A value for a variable that makes an equation true. |
Like Terms | arrow_right_alt | A number that is multiplied by a variable. |
Variable | arrow_right_alt | A mathematical sentence that uses the equal sign to show two expressions are equivalent. |
Constant | arrow_right_alt | A mathematical process such as adding, subtracting, multiplying, and dividing. |
Solution | arrow_right_alt | These have the same variables raised to the same exponents. |
Terms | arrow_right_alt | A mathematical phrase that contains operations, numbers, and/or variables. |
Inverse Operations | arrow_right_alt | A fixed value. A value that does not change. |
Equation | arrow_right_alt | A statement that compares two expressions by using one of the following signs: |
Match each vocabulary word with its definition.
| Stavka koja se može prevući | arrow_right_alt | Odgovarajuća stavka |
|---|---|---|
Range | arrow_right_alt | A relation in which every domain value is paired with exactly one range value. |
Input | arrow_right_alt | A function that does not form a straight line when graphed. |
Independent Variable | arrow_right_alt | A test used to determine whether a relation is a function. If any vertical line crosses the graph of a relation more than once, the relation is not a function |
Domain | arrow_right_alt | A value that is substituted for the independent variable in a relation or function |
Non-Linear Function | arrow_right_alt | The result of substituting a value for a variable in a function. |
Relation | arrow_right_alt | The input of a function; a variable whose value determines the value of the output, or dependent variable. |
Vertical Line Test | arrow_right_alt | A function that can be written in the form f(x)=mx + b. Its graph is a straight line. |
Dependent Variable | arrow_right_alt | A set of ordered pairs. |
Linear Function | arrow_right_alt | The set of all second coordinates (or y-values) of a function or relation. |
Function Notation | arrow_right_alt | The set of all first coordinates (or x-values) of a relation or function. |
Output | arrow_right_alt | The output of a function; a variable whose value depends on the value of the input, or independent variable. |
Function | arrow_right_alt | If x is the independent variable and y is the dependent variable, then the function notation for y is f(x) , read “f of x,” where f names the function. |
Match each vocabulary word with its definition.
| Stavka koja se može prevući | arrow_right_alt | Odgovarajuća stavka |
|---|---|---|
Slope-Intercept Form | arrow_right_alt | A ratio that compares the amount of change in a dependent variable to the amount of change in an independent variable. |
Run | arrow_right_alt | A measure of the steepness of a line. |
y-intercept | arrow_right_alt | y = mx + b, where m is the slope and b is the y-intercept |
Rise | arrow_right_alt | Ax + By = C, where A, B, and C are real numbers and A and B are not both 0. |
Slope | arrow_right_alt | The x-coordinate(s) of the point(s) where a graph intersects the x-axis. |
Standard Form | arrow_right_alt | The y-coordinate(s) of the point(s) where a graph intersects the y-axis. |
x-intercept | arrow_right_alt | The difference in the y-values |
Rate of Change | arrow_right_alt | The difference in the x-values |