Here is a graph that represents a quadratic function. Which equation could define this function?
2 answers:
Answer:
d. y = (x +2)(x -3)
Step-by-step explanation:
When p is a zero of the function (an x-intercept), the function has (x -p) as a factor.
Here, the x-intercepts are x = -2 and x = 3. This means the factors of the function are (x -(-2)) = (x +2) and (x -3).
y = (x +2)(x -3)
Answer:
Step-by-step explanation:
Hi there!
The given answer choices are written in intercept form:
where r and s are both x-intercepts of the function
x-intercepts occur when the function crosses or touches the x-axis.
On the graph, we can see that the parabola crosses the x-axis at x=-2 and x=3. Plugging these into intercept form, we get:
I hope this helps!
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Answer:
5
Step-by-step explanation:
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Answer:
a² + b² = 15² = 225
P = 2a + 2b = 2(a + b) = 38
P² = 4(a + b)² = 38²
4(a² + 2ab + b²) = 1444
Substitute a² + b² with 225
4(2ab + 225) = 1444
2ab + 225 = 361
2ab = 136
ab = 68 cm²
Answer:
4. 120 cm^2
5. 8x+30
Step-by-step explanation:
