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anygoal [31]
3 years ago
5

-4z<-32 choose the correct graph for the inequality?

Mathematics
2 answers:
ladessa [460]3 years ago
7 0

Answer: Choice C

The solution is z \ge 8

The graph has an closed filled in circle at 8 on the number line, with shading to the right of that closed circle.

=======================================================

Explanation:

-4z \le -32

\frac{-4z}{-4} \ge \frac{-32}{-4} see note below

z \ge 8

note: I divided both sides by -4 to undo the multiplication done to z; the inequality sign flips because we divided both sides by a negative number

So the solution set is the set of z values such that z is 8 or larger. We are including the endpoint 8 so we use a filled in closed circle (not an open circle or hole). We include the endpoint because of the "or equal to" as part of ht inequality sign.

denpristay [2]3 years ago
3 0

Answer:

It is the third graph

Step-by-step explanation:


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4 years ago
The edges of the diameter of a circle are at (-1,2) and (3,-1). Write the equation of the circle in general form.
Y_Kistochka [10]

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<u>The standard form of equation of a circle is;</u>

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<u>Finding the mid-point of the given points</u>

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<u>Finding the radius r; the distance from the center to either of the given two points</u>

Apply the distance formula d=√ (x₂-x₁)² +(y₂-y₁)²

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d=√ (-1-1)² +(2-0.5)²

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(x-1)²+ (y-0.5)²=6.25

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