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ALGEBRA
ALGEBRA I
FORMS OF LINEAR EQUATIONS
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Forms of linear equations Answers
Forms of linear equations
asked 2021-03-12
Determine whether the ordered pair is a solution to the given system of linear equations.
(5,3)
x-y=2
x+y=8
Forms of linear equations
asked 2021-03-12
Find the augmented matrix for the following system of linear equations:
5x+7y-36z=38
-8x-11y+57z=-60
Forms of linear equations
asked 2021-03-12
Why do you think we should learn about quadratic equations? how are they different from linear equations, and what is the significance of quadratic equation in the business world. Make sure you provide very specific examples to help us understand your explanation.
Forms of linear equations
asked 2021-03-11
Determine if (1,3) is a solution to the given system of linear equations.
\(\displaystyle{5}{x}+{y}={8}\)
\(\displaystyle{x}+{2}{y}={5}\)
Forms of linear equations
asked 2021-03-08
Linear equations of first order.
Solve the initial-value problem on the specified interval
\(\displaystyle{y}'-{3}{y}={e}^{{{2}{x}}}{o}{n}{\left(-\infty,+\infty\right)},\ \text{with}\ {y}={0}\ \text{when}\ {x}={0}\)
.
Forms of linear equations
asked 2021-03-06
Cramer’s Rule to solve (if possible) the system of linear equations.
\(\displaystyle-{8}{x}_{{1}}+{7}{x}_{{2}}{\mid}-{10}{x}_{{3}}=-{151}\)
\(\displaystyle{12}{x}_{{1}}+{3}{x}_{{2}}-{5}{x}_{{3}}={86}\)
\(\displaystyle{15}{x}_{{1}}-{9}{x}_{{2}}+{2}{x}_{{3}}={187}\)
Forms of linear equations
asked 2021-03-05
Find the augmented matrix for the following system of linear equations:
3x+7y-20z=-4
5x+12y-34z=-7
Forms of linear equations
asked 2021-03-05
Use cramer's rule to solve
\(x_1+2x_2=5\)
\(-x_1+x_2=1\)
Forms of linear equations
asked 2021-03-04
Form (a) the coefficient matrix and (b) the augmented matrix for the system of linear equations.
\(\displaystyle{\left\lbrace\begin{matrix}{x}+{y}={0}\\{5}{x}-{2}{y}-{2}{z}={12}\\{2}{x}+{4}{y}+{z}={5}\end{matrix}\right.}\)
Forms of linear equations
asked 2021-03-02
Write an exponential growth or decay function to model each situation. Then find the value of the function after the given amount of time. A new car is worth $25,000, and its value decreases by 15% each year, 6 years.
Forms of linear equations
asked 2021-02-27
Solve the linear system of equations.
−5x − 2y = 1
2x − 11y = −83
(x, y) =
Forms of linear equations
asked 2021-02-25
Differentiate the Gaussian elimination and LU- Factorization in solving system of linear equations.
Forms of linear equations
asked 2021-02-25
Each equation in a system of linear equations has infinitely many ordered-pair solutions.Determine whether the statement makes sense or does not make sense, and explain your reasoning.
Forms of linear equations
asked 2021-02-21
Cramer’s Rule to solve (if possible) the system of linear equations.
\(\displaystyle{\frac{{{5}}}{{{6}}}}{x}_{{1}}-{x}_{{2}}=-{20}\)
\(\displaystyle{\frac{{{3}}}{{{4}}}}{x}_{{1}}-{\frac{{{7}}}{{{2}}}}{x}_{{2}}=-{51}\)
Forms of linear equations
asked 2021-02-21
Describe three linear equations in three unknowns. Give an example.
Forms of linear equations
asked 2021-02-21
Define Absolute system of Linear Equations?
Forms of linear equations
asked 2021-02-19
For the given a system of linear equations
4x+y-5z=8
-2x+3y+z=12
3x-y+4z=5
Use matrix inversion to solve simultaneous equations.
Forms of linear equations
asked 2021-02-12
Determine whether each of the given sets is a real linear space, if addition and multiplication by real scalars are defined in the usual way. For those that are not, tell which axioms fail to hold. All vectors (x, y, z) in
\(V_3\)
whose components satisfy a system of three linear equations of the form:
\(a_{11}x+a_{12}y+a_{13}z=0\)
\(a_{21}x+a_{22}y+a_{23}z=0\)
\(a_{31}x+a_{32}y+a_{33}z=0\)
Forms of linear equations
asked 2021-02-11
What is a system of linear equations? Provide an example with your description.
Forms of linear equations
asked 2021-02-08
Solve (1,2) [(3x,-,y,=,1),(2x,+,3y,=,8)]
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