Try our Free Online Math Solver!

Online Math Solver
College Algebra Prerequisite Algebra Skills
Section  Topic  Example 
1.1  Type of number  Classify the number with as many as apply  natural, integer,
rational, or real: 23/30 
Scientific notation  Write the number in scientific notation:  
1.2  Arrange numbers numerically  Arrange the numbers from smallest to largest: 
Plot data set on a number line  Plot the set of data on a number line:  
Make a scatterplot  Make a scatterplot with the set of data using correctly labeled
axes: 

1.3  Graph a function by hand  Graph the function f by hand then check using a graphing calculator : 
Express a verbal representation  Express a verbal representation for “to convert g gallons to l
liters, multiply g by 3.785” 

Evaluate a function graphically  Use the graph of  
Determine the domain and range  Determine the domain and range of  
1.4  Determine the slope using 2 points  Determine the slope of the line that passes through the points
(0.5, .9.2) and (0.3, .7.6) 
1.5  Approximate value of function  Approximate f(1.9 ) for 
Determine the vertex of a parabola  Determine the coordinates of the vertex of  
2.1  Solve a linear equation graphically  Use the graph of the function f(x) = 2x –5 to solve for f(x) = 0 
Solve an equation graphically using the input intercept method 
Use the inputintercept method to solve the equation graphically:  
Solve an equation graphically using the intersection of graphs method 
Solve the equation
using
the graphical method of intersection of graphs. 

Use a table to solve an equation numerically 
Create a table of input and output values for the function and solve
the function to the nearest tenth: 

Solve an equation symbolically  Use a symbolic method to solve the equation  
2.2  Solve a linear inequality graphically using the inputintercept method 
Solve the inequalityusing the inputintercept method. 
Solve a linear inequality graphically using the intersection of graphs method 
Solve the inequalityusing the intersection of graphs method.  
Solve a linear inequality numerically  Solve the inequality numerically  
Express inequality in interval notation  Write the inequality in interval notation:  
Solve a linear inequality symbolically  Solve the inequality symbolically:  
2.3  Write linear equation in pointslope form given two points 
Write the linear equation for the line that passes
through the points (4, 5) and (2, 3) 
Write a linear equation in pointslope form given a point and the slope 
Write the linear equation for the line that passes through the point
(4,5) and has slope of –2.4 

Write a linear equation for a line parallel to a given line 
Write the equation of the line that is parallel to the line y = 3x
+ 7 and passes through the point (1, 5) 

Write a linear equation for a line that is perpendicular to a given line 
Write the equation of the line that is perpendicular to the line y =
3x + 7 and passes through the point (1, 5) 

2.4  Evaluate a piecewise defined function  Evaluate the function at x = 3 and at x = 2 
Graph an absolute value function  Graph the function f (x) =  2x − 4   
Solve an absolute value function symbolically. 
Solve the function symbolically:
Write the solution in interval notation. 

Solve an absolute value function graphically and write the solution in interval notation 
Solve the function graphically and write the solution in interval
notation: 

2.5  Determine the midpoint of a line segment 
Determine the midpoint of the line segment connecting the points
(1.5, 2.9) and (5.7, 3.6) 
Determine the distance between two points in a coordinate plane 
Determine the length of the line segment connecting the points (1.5,
2.9) and (5.7, 3.6) 
Prev  Next 