1. **State the problem:** Find the slope and y-intercept of the line given by the equation $6x + 2y = 5$.
2. **Rewrite the equation in slope-intercept form $y = mx + b$ where $m$ is the slope and $b$ is the y-intercept.**
Start with:
$$6x + 2y = 5$$
Subtract $6x$ from both sides:
$$\cancel{6x} + 2y - \cancel{6x} = 5 - 6x$$
$$2y = -6x + 5$$
Divide both sides by 2:
$$\frac{2y}{\cancel{2}} = \frac{-6x + 5}{\cancel{2}}$$
$$y = -3x + \frac{5}{2}$$
3. **Identify slope and y-intercept:**
Slope $m = -3$
Y-intercept $b = \frac{5}{2}$
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4. **State the problem:** Find the slope and y-intercept of the line given by the equation $4x - 3y = -6$.
5. **Rewrite the equation in slope-intercept form:**
Start with:
$$4x - 3y = -6$$
Subtract $4x$ from both sides:
$$\cancel{4x} - 3y - \cancel{4x} = -6 - 4x$$
$$-3y = -4x - 6$$
Divide both sides by $-3$:
$$\frac{-3y}{\cancel{-3}} = \frac{-4x - 6}{\cancel{-3}}$$
$$y = \frac{-4x}{-3} + \frac{-6}{-3} = \frac{4}{3}x + 2$$
6. **Identify slope and y-intercept:**
Slope $m = \frac{4}{3}$
Y-intercept $b = 2$
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7. **State the problem:** Find the slope and y-intercept of the line given by the equation $3y + 2x = 3y - 14$.
8. **Simplify the equation:**
Subtract $3y$ from both sides:
$$3y + 2x - 3y = 3y - 14 - 3y$$
$$2x = -14$$
9. **Rewrite in slope-intercept form:**
Divide both sides by 2:
$$\frac{2x}{\cancel{2}} = \frac{-14}{\cancel{2}}$$
$$x = -7$$
This is a vertical line where $x = -7$.
10. **Identify slope and y-intercept:**
A vertical line has an undefined slope.
It does not have a y-intercept because it never crosses the y-axis.
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**Final answers:**
22) Slope: $-3$, y-Intercept: $\frac{5}{2}$
23) Slope: $\frac{4}{3}$, y-Intercept: $2$
24) Slope: undefined, y-Intercept: none (vertical line)
Line Properties E692B9
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