Find X-Axis Intersections of y=(x+3)²+4: Quadratic Function Analysis

Find the intersection of the function

y=(x+3)2+4 y=(x+3)^2+4

With the X

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Step-by-step video solution

Watch the teacher solve the problem with clear explanations
00:00 Find the intersection point with the X-axis
00:04 Substitute Y=0 and solve to find the intersection point
00:08 We want to isolate X
00:18 Extract the root
00:23 Any number squared is always equal to a positive number
00:28 Therefore there is no solution to the question
00:46 And this is the solution to the question

Step-by-step written solution

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1

Understand the problem

Find the intersection of the function

y=(x+3)2+4 y=(x+3)^2+4

With the X

2

Step-by-step solution

To determine where the parabola intersects the x-axis, we solve for x when y=0 y = 0 in the function y=(x+3)2+4 y = (x+3)^2 + 4 .

Set y=0 y = 0 :

0=(x+3)2+40 = (x+3)^2 + 4

Subtract 4 from both sides to isolate the square term:

(x+3)2=4(x+3)^2 = -4

We now assess the equation (x+3)2=4 (x+3)^2 = -4 . A square is always non-negative, meaning that no real number squared gives a negative result. Hence, there's no real value of x satisfying this equation.

Thus, the parabola has no intersection points with the x-axis.

Therefore, the correct answer is that there is no intersection.

3

Final Answer

There is no intersection

Practice Quiz

Test your knowledge with interactive questions

Which equation represents the function:

\( y=x^2 \)

moved 2 spaces to the right

and 5 spaces upwards.

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