3 years ago

Which Expression is equivalent to -7 - (-2.5)

Mathematics

1 answer:

Verizon [17]3 years ago

6 0

Answer:

Step-by-step explanation:-4.5

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What is the vertex of the function x2 - 14x - 95 = 0?

monitta

I hope everythink is clearly :) If not just ask :)

answer for your question is starting when x^2-14x-95=0. Just Ignore this above this.

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3 years ago

The graph of f(x) and g(x)=f(x) + k is shown on the coordinate plane.<br> k = _ ?

Alenkasestr [34]

Answer:

k = 10

Step-by-step explanation:

f(x) has been moved up 10 units to get g(x). So, k = 10

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3 years ago

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Firlakuza [10]

Answer:

$\boxed{\sf \ \ \ x=-9 \ \ or \ \ x=2 \ \ \ }$

Step-by-step explanation:

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$2x^2+7x-14=x^2+4\\ 2x^2+7x-14-x^2-4=0\\ x^2+7x-18=0\\x^2-2x+9x-18=0\\ x(x-2)+9(x-2)=0\\ (x+9)(x-2)=0\\ x+9 = 0 \ \text{or} \ x-2=0\\ x = -9 \ \text{or} \ x=2$

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3 years ago