Unit 6 Radical equations Solve System of equations
- Slides: 19
Unit 6 Radical equations Solve System of equations Linear programming Arithmetic and Geometric Sequence and Series
What does a radical equation look like – with or without a calculator?
How do I find the domain of a radical equation Look at the shift Or Set the radicand(the stuff under the radical) greater than or equal to zero then solve.
How do I find the range of a radical equation? Look at the shift, then graph the equation and decide what the range should be.
Solve Systems of Equations The directions say solve and you have more than one equation.
Methods to solve a system of equations Solve by graphing Solve by substitution Solve by elimination (Maybe, must be same type of equations.
How do I solve by graphing? Get “y” by itself for both equations Graph the equations Find the intersections
How do I solve by substitution? Solve one equation for one variable (get one variable by itself, Maybe). Substitute for the solved variable into the other equation. Use the answer you just found and substitute to find the other variable.
Solve by elimination One pair of coefficients must be opposites. Add the equations and solve for on variable. Substitute to find the other variable.
What is linear programming Linear programming is a word problem with more than one inequality and an objective equation. https: //www. youtube. com/wa tch? v=1 Cn. Fj. NOew. EU
How do I solve a linear programming problem? Write the equations that represent the inequalities and the objective equation. Graph the equations and shade by considering the constraints on the variables. Find the vertices of the intersections of the inequalities. Plug the vertices into the objective equation to answer the equation.
What is an arithmetic sequence? A sequence in which each term after the first can be found by adding a constant, called the common difference d, to the previous term.
How do I find the nth term of an arithmetic sequence?
How do I find the sum of an arithmetic series?
What is a geometric sequence? A geometric sequence is a sequence in which each term after the first is found by multiplying the pervious term by a constant r, called the common ratio.
How do I find r? Take any term and divide by the previous term.
How do I find the nth term of a geometric series?
What is the formula for the sum of a geometric series?
Infinite Geometric Series
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