Betty had $70. She bought a necklace for $9 and a ring for $7. Which expression correctly shows the total money Betty has left?
2 answers:
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Answer:
range = (− 23 , ∞ )
domain = ( − ∞ , ∞ )
y-intercept = -5
<h2>Writing an Equation of a Line in Slope-Intercept Form</h2><h3>Answer:</h3>
<em>Please refer to my answer from this Question to know more about Slope-Intercept Form: <u>brainly.com/question/24599351</u></em>
We must first find the slope.
<em>Please refer to my Answer from this Questions to know more about Slopes of a Line:</em>
- <em><u>brainly.com/question/24640665</u></em>
- <em><u>brainly.com/question/24638053</u></em>
We can see the marked points, and
, are on the line.
Solving for the slope:
Now we can now solve for the -intercept.
<em>Please refer to the second paragraph of my Answer from this Question to know more about y-intercepts: <u>brainly.com/question/24606058</u></em>
We can see that the line intersected the -axis at
so
.