At a high school football game Jamie buys 6 hot dogs and 4 soft drinks for $13. Amy buys 3 hot dogs and 4 soft drinks for $8.50.
2 answers:
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Answer:
Average rate of change is <u>0.80.</u>
Step-by-step explanation:
Given:
The two points given are (5, 6) and (15, 14).
Average rate of change is the ratio of the overall change in 'y' and overall change in 'x'. If the overall change in 'y' is positive with 'x', then average rate of change is also positive and vice-versa.
The average rate of change for two points is given as:
Plug in and solve for 'R'. This gives,
Therefore, the average rate of change for the points (5, 6) and (15, 14) is 0.80.
(i) Slope is
(ii) x - intercept is
(ii) y - intercept is
Explanation:
The given equation is
We need to determine the slope, x - intercept and the y - intercept
(i) Let us determine the slope of the equation.
Since, the equation is of the form where m is the slope
Thus, comparing the equation with the general form
, the slope is 2.
Thus, slope is
(ii) Now, we shall determine the x - intercepts.
The x - intercept can be determined by substituting in
Thus, we have,
Thus, the x - intercept is
(iii) The y - intercept can be determined by substituting in
Thus, we get,
Thus, the y - intercept is