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You must consider two cases. 1st case: What is inside the absolute value symbols is supposed positive. Remove the absolute value symbols and proceed to solve. 2nd case: What is inside the absolute value symbols is supposed negative. Enclose the contents of the absolute value within parentheses, put a negative sign in front the left parenthesis, and proceed to solve.
Gather the solutions obtained in the two cases. Use a Union symbol for the solution set.
Is it complex or matrix? You can have only one mode at a time.What kind of equations? The solve function uses real-valued equations.
Complex numbers: You can add, subtract, multiply and divide. You can convert a number from rectangular to polar forms and vice-versa; you can calculate the absolute value of a complex number, or a conjugate.
All the operations are done in the Mode CMPLX.
Sorry, the calculator cannot solve such ualities (nothing to do with the absolute function). To find the solution set you need to study the two cases for the absolute value. Case 1 If x-1> 0, the absolute value is x-1. The inequality takes the form x-1<9. You can solve it as x<10
Case 2 If x-1<0, then the absolute value is 1-x. The inequality becomes 1-x<9. The solution for this inequality is x>-8
Combine the two domains to find the intersection -8<x<10
If you want to graph the absolute value of a function, feed the function to the absolute value ie graph y= abs(f(x)). The calculator will take care of it. See screen captures where I draw the function y1=x^3-5x^2-3 and y2='x^3-5x^2-3'. On the first graph the function is represented and on the second the function and its absolute value.
The calculator knows how to calculate the absolute value of an expression. The name of the command is abs(
This expression 5x^2+15x+3 is not an equation, therefore it can have any value depending on the value of x. You have to make it an equation before looking for the particular value of x that satisfy your equation 5x^2+15x+3 =0
This calculator cannot solve equations because it does not have an equation solver.
I assume that if you want to input the equation it is with the intent to solve it. If that be the case then what follows will help you input and solve any equation (linear, quadratic, trig, etc.)
Make sure the calculator angle unit is the same as your problem requires (degree, radian, grad). Here are some screen capture to help you. Change the equation to yours. To enter the equation in screen above, use the right arrow.
have to enter an initial guess on line X=, a default value may be
supplied by calculator: It depends on last value stored in X. Once a
value is entered press the F6 key to SOLV
Press F1: Rept if you want to solve another equation.
You can use symbols (X,Y,A,B,C,D, and M, =) to create expressions to use
in the SOLV program or to generate a table of values.
type them you use [ALPHA] followed by the symbol you want. The symbols
on the body of the calculator are of the same color as the ALPHA key.
The [=] in expressions is different from the general = sign at the
bottom of the keypad.
There are also some typical equations already in the calculator: simultaneous linear equation in 2 or 3 unknowns, and polynomial equations of 2nd and 3rd degree. They are accessed under the EQUATion Mode.
You can use symbols (X,Y,A,B,C,D, and M, =) to create expressions to use in the SOLV program or to generate a table of values. To type them you use [ALPHA] followed by the symbol you want. The symbols on the body of the calculator are of the same color as the ALPHA key. The [=] in expressions is different from the general = sign at the bottom of the keypad.
You can evaluate any expression (find the value of any expression for a particular value of its variable).Store a value in the variable, say X. Key in the expression and press [EXE].
You can consider your expression(should not contain a relational operator such as =, greater than, less than, greater than or equal to, less than or equal to) to be a function Y1(x) = expression and graph it, or generate a table for it. You will have several values of the function calculated at various points.
You can set your expression equal to 0 and find the particular value(s) of the variable (the unknown) that make the equality TRUE. That is called solving an equation.
I am not sure that it has a solver (solving an equation or an inequation) but you can always draw your expression as a function and explore the graph (SKTCH) to locate the roots (or zeros) of the functions (the values of the variable where the function equals zero.) That is called solving graphically.
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