# Recent questions in Forms of linear equations

Forms of linear equations

### The reduced row echelon form of a system of linear equations is given.Write the system of equations corresponding to the given matrix. Use $$x, y$$; or $$x, y, z;$$ or $$x_{1},x_{2},x_{3},x_{4}$$ as variables. Determine whether the system is consistent or inconsistent. If it is consistent, give the solution. $$[1,0;1,0;5,-1]$$

Forms of linear equations

### Do the equations 4x - 3y = 5 and 7y + 2x = -8 form a system of linear equations? Explain.

Forms of linear equations

### $$5y+3=2y-3x+5$$ $$y = ?$$

Forms of linear equations

### The three forms of linear equations you have studied are slope-intercept form, point-slope form, and standard form. Explain when each form is most useful.

Forms of linear equations

### 2n +2 = 16

Forms of linear equations

### The table shows the number y of muffins baked in x pans. What 1s the missing y-value that makes the table represent a linear function?

Forms of linear equations

### Fill in the blanks. The process used to write a system of linear equations in row-echelon form is called ________ elimination.

Forms of linear equations

### Find the linear approximation of the function $$f(x)=\sqrt{4-x}$$ at $$a=0$$ Use L(x) to approximate the numbers $$\sqrt{3.9}$$ and $$\sqrt{3.99}$$ Round to four decimal places

Forms of linear equations

### Do the equations $$4x−3y=5$$ and $$7y+2x=−8$$ form a system of linear equations? Explain.

Forms of linear equations

### Do the equations 4x−3y=54x−3y=5 and 7y+2x=−87y+2x=−8 form a system of linear equations? Explain

Forms of linear equations

### $$-4x - 15y = -17$$ $$-x + 5y = -13$$ $$x = ?, y = ?$$

Forms of linear equations

### Do the equations 5y−2x=18 and 6x=−4y−10 form a system of linear equations? Explain.

Forms of linear equations

### 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

### Find the augmented matrix for the following system of linear equations: $$\begin{cases}5x+7y-36z=38\\-8x-11y+57z=-60\end{cases}$$

Forms of linear equations

### 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

### 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

### 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

### 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