Question

question 12 (5 points)
select the equation of the graphed line above.
a) \\(y = 3x - 5\\)
b) \\(y = x - 5\\)
c) \\(y = x + 5\\)
d) \\(y = 3x + 5\\)

question 13 (5 points)
write \\(9x + 3y = 15\\) in slope-intercept form.
a) \\(3y + 9x = 15\\)
b) \\(y = -3x + 5\\)
c) \\(y = -3x + 15\\)
d) \\(y = 3x + 5\\)

Explanation:

Identify the y-intercept of the graphed line

Using the Graphing Linear Equations knowledge point

$$ \text{The line crosses the } y\text{-axis at } (0, -5). \text{ Thus, the } y\text{-intercept } b = -5. $$

Calculate the slope of the graphed line

Using the Slope of a Line knowledge point

$$
LATEXBLOCK0
$$

Write the equation of the line

Using the Slope-Intercept Form knowledge point

$$
LATEXBLOCK1
$$

Convert the equation in Question 13 to slope-intercept form

Using the Slope-Intercept Form knowledge point

$$
LATEXBLOCK2
$$

Answer:

Question 12

• (A) \(y = 3x - 5\) (Correct answer)
• (B) \(y = x - 5\)
• (C) \(y = x + 5\)
• (D) \(y = 3x + 5\)

Question 13

• (A) \(3y + 9x = 15\)
• (B) \(y = -3x + 5\) (Correct answer)
• (C) \(y = -3x + 15\)
• (D) \(y = 3x + 5\)