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andreyandreev [35.5K]
3 years ago
13

What is the y-intercept of the line that has a slope of -1/2 and passes through the point (2, 3)?

Mathematics
1 answer:
lukranit [14]3 years ago
6 0
Hello!

So the equation that you want to use is 
y = mx + b

Now you can plug in both the slope and your points to find b.

3 = -1/2(2) + b
3 = -1 + b
4 = b

So now that we've found b, we can use the original equation and only plug in the slope and b

y = -1/2x + 4

So to find the y-intercept, we need to plug in 0 for x

y = -1/2(0) + 4
y = 0 + 4
y = 4

Your y-intercept is (0,4)

Hope this helps!
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I need help please.
IgorLugansk [536]

Answer:

13 - 17\sqrt{11}

Step-by-step explanation:

Using the rule

\sqrt{a} × \sqrt{a} = a

Each term in the second factor is multiplied by each term in the first factor, that is

2\sqrt{11} (\sqrt{11} - 9 ) + 1 (\sqrt{11} - 9 )

Distribute both parenthesis

= (2 × 11) - 18\sqrt{11} + \sqrt{11} - 9

= 22 - 17\sqrt{11} - 9

= 13 - 17\sqrt{11}

7 0
3 years ago
Which of the following transformations preserves orientation, but does NOT preserve congruence?
AlexFokin [52]
Reflection does not preserve orientation.
Dilation (scaling), rotation and translation (shift) do preserve it.
7 0
3 years ago
After which value of x does function g exceed function f
nalin [4]
We have that

for x=1
f(x)=1.5  and g(x)=-1
so
g(x) < f(x)

for x=2
f(x)=5  and g(x)=5
so
g(x)= f(x)

for x=3
f(x)=9.5  and g(x)=23
so
g(x) > f(x)

therefore

the answer is
<span>After x=2 function g exceeds function f</span>


5 0
3 years ago
Nate made 8 loaves of bread on Monday and 10 more on Tuesday. He gave an equal number to each of his 9 neighbors. How many loave
mars1129 [50]

Answer:

2

Step-by-step explanation:

8 + 10 = 18

18/9 = 2

8 0
3 years ago
Which is the best estimate of -14 1/9 × -2 9/10 ​
lana [24]

Answer: 42

Step-by-step explanation:

-14 1/9 would round to -14

-2 9/10 would round to -3

-14 x -3= 42

7 0
3 years ago
Read 2 more answers
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