Y=x^2-2x-1 and y=-3x+5 solved algebraically

Mathematics

1 answer:

eduard3 years ago

3 0

Answer:

Step-by-step explanation:

y=x²-2x-1

and y=-3x+5

x²-2x-1=-3x+5

x²+x-6=0

x²+3x-2x-6=0

x(x+3)-2(x+3)=0

(x+3)(x-2)=0

x=-3,2

when x=-3

y=-3×-3+5=9+5=14

when x=2

y=-3×2+5=-6+5=-1

so solutions are (-3,14) and (2,-1)

You might be interested in

(m) रेखीय फलन (Linear function)

Law Incorporation [45]

Answer:

???????????????????????????????

Step-by-step explanation:

5 0

3 years ago

What is the value of 3×2+4y2 if x=2,y=1, and z=-3

photoshop1234 [79]

3 x 2 +4y2 if y=1

3 x 2 =6

6+4y2

4 x (1) x 2 =8

8+6=

4 0

3 years ago

A figure is created for semi-circles in a rectangle?

aev [14]

Answer:Learn to find the area of composite figures that contain circles and semi-circles. ... The area of the rectangle is 48 square inches. Next, recognize that ... Find the area of a figure that is made up of a square and a semi-circle.

Step-by-step explanation:I have made this reasoning: an eyelet consists of two semicircles and a rectangle (or two semirectangle), then a semicircle and a semirectangle ..But some irregular figures are made up of two or more standard geometric shapes. To find the ... We will break the figure into a rectangle and two semi-circles.

4 0

3 years ago

Nathalie has one large bowl of popcorn. She invite 3 friends over to watch a movie. Her brother takes 1/5 of the popcorn for him

OLEGan [10]

Answer:

Each friend gets $\frac{1}{5}$ of the popcorns.