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3 years ago

When are the x-intercept and the y-intercept of a graph identical?

Mathematics

2 answers:

vova2212 [387]3 years ago

7 0

at the origin

they are same

Alenkasestr [34]3 years ago

6 0

Answer:

The only time that both intercepts are identical is when they form the line of $x = y$ , which is the origin, and MUST be a POSITIVE RATE OF CHANGE [SLOPE].

I am joyous to assist you anytime.

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PLEASE HELP For what value of the variable will the value of 2x+1 be 20 greater than 8x+5?

wlad13 [49]

It will be a negative.

for an example: -20 for x would mqke 2x + 1 into -39 and 8x + 5 into -155. that's 116 apart, so maybe -2(8) + 5 = -11

-2(2) + 1 = -3

but that's only 8 apart, so it'd be higher.

-4(2) + 1 = -7

-4(8) + 5 = -27

BOOM

Tadaaaa,

You probably thought positive, but sometimes it's negative, you know what I mean?

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3 years ago

Choose the correct classification of (3x^3 + 2x^2 - 5x)

Irina-Kira [14]

Answer:

Below.

Step-by-step explanation:

It is a polynomial of degree 3.

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3 years ago

The approximate height, h, in meters, traveled by golf balls hit with two different clubs over a horizontal distance of d meters

inna [77]

Answer:

a) 100 metres

b) 10 metres

Step-by-step explanation:

Given: the approximate height, h, in meters, travelled by golf balls hit with two different clubs over a horizontal distance of d meters is given by the functions: $h=-0.002d^2+0.3d\,,\,h=-0.004d^2+0.5d$

To find: distances when the ball is at the same height when either of the clubs are used. Also, to find this height

Solution:

(a)

$-0.002d^2+0.3d=-0.004d^2+0.5d\\d(-0.002d+0.3)=d(-0.004d+0.5)\\-0.002d+0.004d=0.5-0.3\\0.002d=0.2\\d=\frac{0.2}{0.002}=100\,\,metres$

(b)

Put d = 100 in $h=-0.002d^2+0.3d$

$h=-0.002(100)^2+0.3(100)\\=-20+30\\=10\,\,metres$

4 0

2 years ago

Write the following comparison as a ratio reduced to lowest terms 31 hours to 7 days

alina1380 [7]

31:7 days hope this helps.

7 0

2 years ago

Please help, I am super stuck and I cant lose points this homework is 16 points total

bekas [8.4K]

Hello,

7) A∪C={1,2,3,4,5,7,9}

8) A∩B={2,4}

C'= complement of C ={2,4,6}

9) A∪B∩C'={1,2,3,4,6,8}∩{2,4,6}={2,4,6}

10) A∪(B∩C')={1,2,3,4}∩{2,4,6}={1,2,3,4,6}

Are you blind?

4 0

2 years ago