# Free answers to linear equations with graphs

Recent questions in Linear equations and graphs
Linear equations and graphs

### If xy + ey = e, find the value of y" at the point where x = 0.

Linear equations and graphs

### Find the points on the curve $$\displaystyle{y}={2}{x}^{{3}}+{3}{x}^{{2}}-{12}{x}+{1}$$ where the tangent is horizontal.

Linear equations and graphs

### Identify the steeper line. y = 3x + 4 or y = 6x + 11

Linear equations and graphs

### Find the linearization L(x) of the function at a. $$\displaystyle{f{{\left({x}\right)}}}=\sqrt{{{x}}},{a}={4}$$

Linear equations and graphs

### Is $$\displaystyle{4}{x}^{{2}}+{2}{y}={6}$$ a linear equation? Give a form of a linear equation.

Linear equations and graphs

### A triangle is drawn through A(1,2), B(3,4), C(4,-1). Find the coordinates of this figure reflected across the x-axis.

Linear equations and graphs

### Use the given graph off to find a number $$\displaystyle\delta$$ such that if $$|x-1| < \delta \text{ then } |f(x)-1| <0.2$$

Linear equations and graphs

### $$\displaystyle{y}=\frac{{1}}{{2}}{x}-{9}$$ Find the line that's perpendicular to it and passes through (7,10)

Linear equations and graphs

### The total costs for music record label are given by C(x)=2400+10x+x and the total revenues are given by R(x)=120x. Find the break-even points.

Linear equations and graphs

### y=-7x-10 Is y defined as a function of x by the equation?

Linear equations and graphs

### The two linear equations shown below are said to be dependent and inconsistent: 3x−5y=3 −9x+15y=8 What happens if you use a graphical method?

Linear equations and graphs

### What is the slope of the line that passes through the pair of points (–5.5, 6.1), (–2.5, 3.1)? Group of answer choices –1 1 -2 ½

Linear equations and graphs

### Are these two lines parallel, perpendicular, the same line, or none of these? −3x=3y+6 4x+4y=2 O a) perpendicular O b) the same line O c) parallel O d) none of these

Linear equations and graphs

### A rugby player throws the ball from point A that is 18 yards from the endline and 12 m from the sideline (12,18). The ball lands at point B that is is 42 yards from the same endline and 50 yards from the same sideline. How long was the throw?

Linear equations and graphs

### A line passes through the axels in points (0,2) and (1,0). Use the slope formula to find y.

Linear equations and graphs

### The two linear equations shown below are said to be dependent and consistent: 2x−5y=3 6x−15y=9 What happens if you use a graphical method?

Linear equations and graphs

### Given: (2,3), (4,6) Find the slope.

Linear equations and graphs

### Suppose, the blocks in your hometown are all squares. You're given the directions to go north 3 blocks, turn east and go 5 blocks, turn south and go 7 blocks, then to turn west and go 3 blocks. How far away is the restaurant in a straight line distance? Express your answer in blocks.

Linear equations and graphs