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Algebra 2 How to solve answfrs of linear equations Overview Solving systems of equations in two variables Solving systems of equations in three variables.
So you could almost treat this expression– the absolute value of x plus 7, you can just treat it as a variable, and then once you solve for that, it becomes a simpler absolute value problem. We’re just going to solve for the absolute value of x plus 7. So our left-hand side, if I have 8 of something– and in this case the something is absolute values of x plus 7’s– but if I have 8 of something and I add 6 of that same something, I now have 14 of that something.
Search Pre-Algebra All courses. Quadratic functions and inequalities.
Larson Algebra 2 () :: Homework Help and Answers :: Slader
Discrete mathematics and probability. And then we’re left with 6 minus 4, which is just 2. The 4 and the negative 4 cancel out, and that was intentional. You’ll see what I mean.
Easiest way to get rid of it is to add 6 times the absolute value of x plus 7 to the right-hand side. Algebra 2 Quadratic functions and inequalities Overview How to graph quadratic functions How to solve quadratic equations The Quadratic formula Standard deviation and normal distribution.
Algebra 2 Conic Sections Overview Distance between two points and the midpoint Equations of conic sections. Easiest way is to subtract 4 right over there, but if we do it on the left-hand side, we have to do it on the right-hand side as well.
So just as promised, we’ve now solved for the absolute value of x plus 7, but we really need to solve for x. Algebra 2 is the third math course in high school and will guide you through among other things linear equations, inequalities, graphs, matrices, polynomials and radical expressions, quadratic equations, functions, exponential and logarithmic expressions, sequences and series, probability and trigonometry.
Algebra 2 Algebfa expressions Overview Variation Operate on rational expressions. Now the key here– at first it looks kind of daunting. Algebra 2 Matrices Overview Basic information about matrices How to operate with matrices Determinants Using matrices when solving system of equations. Under each lesson you will find theory, examples and video lessons. So now let’s just solve for x. We can’t, of course, only do that to the right-hand side.
How to graph functions and linear qnswers. But the way to think about this is if you could solve for the absolute value expression, you could then– it then turns into a anwers simpler problem, anzwers you can take it from there. So I want to get all of the absolute values of x plus 7 on the left-hand side, so I want to get rid of this one on the right-hand side.
And so what does this get us?
So let’s do that, so plus 6 times the absolute value of x plus 7. Algebra 2 Exponential and logarithmic functions Overview Exponential functions Logarithm and logarithm functions Logarithm property.
So that’s going to be equal to 2. And just think about that for a second. If these two things answsrs equal and we are being told that they are, then if you add something on this side, the only way that the equality answes hold is wnswers you still do it on the left-hand side. So that’s how we got this. So this is 8 times the absolute value of x plus 7 plus in that same color– is equal to negative 6 times the absolute value of x plus 7 plus 6.
Algebra 2 Discrete mathematics and probability Overview Counting principle Permutations and combinations Probabilities. Let’s try to solve for not x first. This Algebra 2 math course is divided into 13 chapters and each chapter is divided into several lessons.
Worked example: absolute value equation with two solutions
So that’s one possibility for x. Solve absolute value equations. So I want to get rid of this positive 4. Let me just rewrite this equation so that the absolute values really pop out. Algebra 2 Polynomials and radical expressions Overview Simplify expressions Polynomials Factoring polynomials Solving radical equations Complex numbers.
Algebra 2 Common Core () :: Homework Help and Answers :: Slader
If you’re seeing this message, it means we’re having trouble loading external resources on our website. Video transcript We’re asked to ansqers for x.
It’s this complex equation. Algebra 2 Polynomial functions Overview Basic knowledge of polynomial functions Remainder and factor theorems Roots and zeros Descartes’ rule of sign Composition of functions.
Intro to absolute value equations and graphs. So let’s try to do that. Exponential and logarithmic functions. Algebra 2 Sequences and series Overview Arithmetic sequences and series Geometric sequences and series Binomial theorem.
Algebra 2 Equations and inequalities Overview Solve equations and simplify expressions Line plots and stem-and-leaf plots Absolute value Solve agebra. So that’s going to be 14 absolute values of x plus 7, 14 times the absolute value of x plus 7. Mathplanet hopes that you will enjoy studying Algebra 2 online with us!