CPM Homework Help : A2C Problem 11-38

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Home > A2C > Chapter 11 > Lesson 11.2.1 > Problem 11-38

11-38.

Solve the following systems of equations and describe the shapes of the intersections.

$z^{2} = x^{2} + y^{2}\\ z = x + 2$
Hint (a):
Substitute the second equation for $z$ in the first, and simplify to find an equation of $x$ and $y.$
Answer (a):
What kind of graph is this?
$x =\frac{1}{4}y^2 -1$

$z^{2} = x^{2} + y^{2}\\ z = 7$
Hint (b):
See part (a).

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