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nevsk [136]
3 years ago
6

Which is the graph of f(x) = -(x + 3)(x + 1)?

Mathematics
1 answer:
ch4aika [34]3 years ago
3 0

Answer:

Step-by-step explanation:

x intercepts are -3,-1

f(x)=-(x²+x+3x+3)=-(x²+4x)-3=-(x²+4x+4-4)-3=-(x+2)²+4-3

or f(x)=-(x+2)²+1

vertex is (-2,1)

so it is an inverted  parabola with vertex (-2,1) and x-intercepts (-3,0) and (-1,0)

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How the equation y=7.5x + 50 shows the slope and the y-intercept
iris [78.8K]

Answer:

slope:7.5, y-intercept:50

Step-by-step explanation:

The basic equation for slope is y=kx+b

In this equation, k stands for slope and b stands for y-intercept.

So in y=7.5x+50, k is 7.5 and b is 50 which equal to slope is 7.5 and y-intercept is 50

8 0
3 years ago
The daytime high temperature on the moon can reach 130°C. The nighttime low temperature can get as low as −110°C. What is the di
maks197457 [2]

Answer:

240

Step-by-step explanation:

remember that to get from positive to negative you have to go from positive to 0 then to negative .

however the easiest way of solving this is

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7 0
3 years ago
How do i simplify 35 − 5 ⋅ 2 + 16 ÷ 4?
kvv77 [185]

Just solve the equation! if the dot means multiply, then

35 - (5 x 2) + (16 / 4) because of BIDMAS or PEDMAS or whatever abbreviation you use, where the order is Brackets Indices Division Multiplication Addition and Subtraction.

35 - 10 + 4 = 29

Therefore the answer is 29.

Hope I helped!

4 0
3 years ago
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Which is the simplified form of the expression
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Are you gonna put the expression or what?

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3 years ago
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Answer:

D 45.6 Square centimetres

Step-by-step explanation:

8 cm time 5.7 cm

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