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Elis [28]
2 years ago
5

Write the equation of a line in SLOPE INTERCEPT FORM with the following information.

Mathematics
2 answers:
kotykmax [81]2 years ago
7 0

Answer:

y = 1/2x-1/2

Step-by-step explanation:

y = mx+b  is the slope intercept form of a line

where m is the slope and b is the y intercept

y = 1/2x +b

We can substitute the point (3,1) in for x and y

1 = 1/2(3) +b

2/2 = 3/2 +b

2/2 -3/2 = b

-1/2 =b

y = 1/2x-1/2

yawa3891 [41]2 years ago
6 0
Y=1/2x+b
1=1/2(3)+b
b= -1/2

Answer is y=1/2x -1/2
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Complete the following <br> a) 3/5 = ?/20<br><br> b) ?/6 = 25=30
vlada-n [284]

Answer:

a) 3/5=12/20

b)5/6=25/30

8 0
3 years ago
What is the sign of f on the interval -2
TEA [102]

Answer:

f is sometimes positive and sometimes negative.

Step-by-step explanation:

f(x)=(x-3)(x+2)(x+4)(x+4)(x-1)(2x-9)

Take x=-1\in(-2,\frac{9}{2})\ as-2

f(-1)=(-1-3)(-1+2)(-1+4)(-1-1)(-2-9)\\\\=(-4)(1)(3)(-2)(-11)\\\\=-264\\\\f(-1)

Take x=2\in(-2,\frac{9}{2})\ as\ -2

f(2)=(2,-3)(2+2)(2+4)(2-1)(2\times2-9)\\\\=(-1)(4)(6)(1)(-5)\\\\=120\\\\f(2)>0

Hence f(x) for x=-1 and f(x)>0 for x=2

So f is sometimes positive and sometimes negative in the interval.

3 0
3 years ago
Please solve!!!!!!!!!!!
vivado [14]

Answer:

A=8x-8

B=5x+25

A=B(BEING corresponding angles)

8x-8=5x+25

8x-5x=25+8

3x=33

x=33/3

x=11

now 8x-8= 8×11-8

= 88-8

=80

5x+25= 5×11+25

=55+25

= 80

A=B#

4 0
2 years ago
Read 2 more answers
Can someone answer this question please (picture)
erik [133]

Answer:

31.5 units^2

Step-by-step explanation:

Rectangle area (RA) = l × w

Triangle area (TA) = (bh)/2

RA = 3 × 7

RA = 21

TA = (7 × 3)/2

TA = 21/2

TA = 10.5

(Triangles are congruent as shown by the lines on each side of the triangle so I can calculate area of both of them together as I just did)

Add areas together

21 + 10.5 = 31.5

7 0
3 years ago
If one root is the square of the other in the equation 8+mx+27x²=0,find the value of m​
aleksklad [387]

Answer:

The value of m is -30.

Step-by-step explanation:

Let 27\cdot x^{2}+m\cdot x +8 = 0, we notice that expression is a second order polynomials. We can rearrange the polynomial and use factorization to calculate all roots:

x^{2}+\frac{m}{27}\cdot x + \frac{8}{27} = 0 (1)

-x^{2}-x = \frac{m}{27} (2)

x^{3} = \frac{8}{27} (3)

From (3) we find the least root:

x = \sqrt [3]{\frac{8}{27}}

x = \frac{2}{3}

By (2) we have the value of m:

m = -27\cdot (x^{2}+x)

m = -30

3 0
3 years ago
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