Name: ______Date: ______
Review for Unit Test
Advanced Algebra
1.
x-int: ______y-int: ______
Meaning of y- Int: ______
______
- Find the slope of the line shown below. Then describe its meaning.
Slope: ______
Meaning of Slope:
______
3. Julie is running a 5-kilometer race. She ran one kilometer every 6 minutes. Julie’s distance from the finish line after x minutes is represented by the equation: y = 5 - x. Find the x-intercept and describe its meaning.
x-intercept: ______Meaning of x-intercept: ______
4. Write an equation to represent the pattern in the table in slope intercept form:
______
5. Write the equation of the line below in slope intercept form: ______
6. Write the equation of a line in slope intercept, point slope, and standard form if the following is given:
a. m = and passes through the point (-6, 2)
b. passes through the points: (2, -2) and (5, 7)
c. m = 0 and passes through the point (-5, -7)
7. Graph the line describe by the equation.
a. 3x – y = 2b. y + 3= (x – 1)
______
8. Write the equation of a line in slope-intercept form (if possible) if the following is given:
a. Line passes through the point (4, -2) and has no slope
b. Line passes through the point (4, -1) and is parallel to : y – 3 = ( x + 2)
c. Line passes through the point (3, -5) and is perpendicular to : 5x + 2y = 10.
9. Write the equation of the lines below in Slope Intercept Form.
______
10. Is the table below linear? ______If so, write an equation or explain why not. ______
x / 1 / 2 / 3 / 4y / 6 / 9 / 12 / 15
b. Is the table below linear? ______If so, write an equation or explain why not. ______
x / 2 / 4 / 6 / 8y / -2 / 0 / 4 / 10
11.
Using the graph at the left, draw a line of best fit.
Write the equation of that line in slope intercept form.
Use the equation above to predict the hight of a person
whose femur length is 90cm.
12a.
12b.
12c. Identify the equation of the trend line in 12b in slope intercept form.
12d. Use the equation above to predict the value of y, when x = 20.