Questions: Graph y=1.9x-3.3 in a rectangular coordinate system. Find the x- and y-intercepts algebraically.

Graph y=1.9x-3.3 in a rectangular coordinate system. Find the x- and y-intercepts algebraically.
Transcript text: Graph $y=1.9 x-3.3$ in a rectangular coordinate system. Find the $x$ - and $y$-intercepts algebraically.
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Solution

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Solution Steps

Step 1: Find the y-intercept

To find the y-intercept, set \( x = 0 \) in the equation \( y = 1.9x - 3.3 \).

\[ y = 1.9(0) - 3.3 \] \[ y = -3.3 \]

So, the y-intercept is \( (0, -3.3) \).

Step 2: Find the x-intercept

To find the x-intercept, set \( y = 0 \) in the equation \( y = 1.9x - 3.3 \).

\[ 0 = 1.9x - 3.3 \] \[ 1.9x = 3.3 \] \[ x = \frac{3.3}{1.9} \] \[ x \approx 1.74 \]

So, the x-intercept is \( (1.74, 0) \).

Step 3: Identify the correct graph

Using the intercepts \( (0, -3.3) \) and \( (1.74, 0) \), we can identify the correct graph. The graph should cross the y-axis at -3.3 and the x-axis at approximately 1.74.

Final Answer

The correct graph is D.

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