3 years ago

3. Solve by completing the square. x^2+8x-9=0 The solutions are x =

2 answers:

6 0

Step 1: Factor left side of equation.
(x - 1)(x + 9) = 0

Step 2: Set factors equal to 0.
x-1=0 or x+9=0
x = 1 or x = -9

The solutions are x = 1 or x = -9

Lelu [443]3 years ago

3 0

Answer:

is it like exponets

Step-by-step explanation:

You might be interested in

Someone please answer this and dont just take my points and run without giving me the answer

k0ka [10]

Answer:

So the answer is v=112 sa=165

Step-by-step explanation:

Try using formulas such as 1

4h﹣a4+2(ab)2+2(ac)2﹣b4+2(bc)2﹣c4

and

A=12bh

7 0

3 years ago

Read 2 more answers

Find the difference: -2/5-(-4/5)

CaHeK987 [17]

Answer:

2/5

Step-by-step explanation:

-2/5-(-4/5) (remove the parentheses)

-2/5+4/5 (calculate)

solution: 2/5

hope this helps!

5 0

3 years ago

work out the equation of the line which passes through the point (-1, 2) and is paralell to the line y = x + 4

notka56 [123]

Step-by-step explanation:

working g and everything is above

hope its of help

3 0

3 years ago

Dave wants to buy a bike for $180. He has $40. Dave mows lawns for $10 per lawn.

LenaWriter [7]

Answer:

180 = 40 + 10x

Step-by-step explanation:

5 0

3 years ago

**POINTS**Find the values of X and y

Andrej [43]

Answer:

y=105 for x

y=75

Step-by-step explanation:

2y-30=180 180 (straight line) 180-105=75

+30 +30

2y=210

/2 /2

7 0

2 years ago

3. Solve by completing the square. x^2+8x-9=0​ The solutions are x =

3. Solve by completing the square. x^2+8x-9=0 The solutions are x =