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LUCKY_DIMON [66]
3 years ago
12

1. Solve the given quadratic equations by extracting square roots. Provide an extra sheet for your solutions.​

Mathematics
2 answers:
kondor19780726 [428]3 years ago
8 0

Answer:

1. m=-8 or m=8

2. x=-3 or x=3

3. equation has no roots

(thus if represented in graph format, the graph will not

intersect the x-axis)

4. s=-√12 or s=√12

5. x=0 or x=4

Step-by-step explanation:

for questions 1, 2 and 4, nite that when there is an even power of a variable in an equation, there will be an introduction of extra solutions thus you cannot just assume that the numbers attained will always be positive as the multiplication if negative numbers will also give you a positive answer especially when you square the number.

kirill [66]3 years ago
6 0

An

Step-by-step explanation:

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What is the equation of a line with a slope of ​3​ and a point
seraphim [82]
Answer: y = 3x-8

------------------------------------------------
------------------------------------------------

Explanation:

The slope is 3, so m = 3

The given point is (3,1) meaning x = 3 and y = 1. The x coordinate is always listed first in an ordered pair. The general format is (x,y)

We'll use m = 3, x = 3 and y = 1 to find the y intercept

y = mx+b
y = m*x+b
1 = 3*3+b ... plug in m = 3, x = 3 and y = 1
1 = 9+b
1-9 = 9+b-9 ... subtract 9 from both sides
-8 = b
b = -8

----------------

So we're given m = 3 as the slope and we just found that b = -8 is the y intercept

So y = mx+b updates to y = 3x-8. This is the final answer.

----------------

Side Notes:
* The slope of 3 means rise/run = 3/1 indicating each time we go up 3, we move to the right 1
* The y intercept -8 is the location on the vertical y axis numberline where the graph crosses. The point (0,-8) is on this line.

8 0
3 years ago
Use the simple interest formula method to calculate the future value of an annuity with annual annuity payments of $1200 at 4% i
nikitadnepr [17]

Answer:

Step-by-step explanation:

A = $2,629.35
A = P + I where
P (principal) = $1,200.00
I (interest) = $1,429.35

8 0
2 years ago
What is the slope of a line that is perpendicular to the line y=8x+5
statuscvo [17]

Answer:

-1/8

Step-by-step explanation:

Perpendicular slopes are negative reciprocals

The slope of y=8x+5 is 8, because it is in slope intercept form: y=mx+b form, where m is the slope.

Negative:

8/1--> -8/1

Reciprocal:

Flip the numerator and denominator

-8/1--> -1/8

So, the perpendicular slope of 8 is -1/8

4 0
3 years ago
Read 2 more answers
What is 5/9 divided by 5 ?
SpyIntel [72]

Answer:

5/45 or 1/9 simplified

3 0
3 years ago
Base of a triangle is 15 height is 7 what is area of triangle
eimsori [14]

Answer:

b·h=105

Step-by-step explanation:

u multiply the base times the height

8 0
3 years ago
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