zayzay24669 zayzay24669
  • 14-10-2019
  • Mathematics
contestada

Solve the system by substitution.
y=x2 – 2x+1
y= 2x+1

Respuesta :

Аноним Аноним
  • 16-10-2019

Answer:

(0 , 1), (4, 9).

Step-by-step explanation:

y = x2 – 2x+1

y = 2x+1

Substitute y = 2x + 1 into the first equation.

2x + 1 = x^2 - 2x + 1

x^2 - 2x - 2x  = 0

x^2 - 4x = 0

x(x - 4) = 0

x  = 0, 4.

When  x = 0, y = 1.

When x = 4, y = 8 + 1 = 9.

Answer Link

Otras preguntas

Your weight equals your what? 1. mass. 2. mass divided by the net force. 3. mass times the acceleration due to gravity. 4. mass times your speed.
What can be added to an atom to cause a nonvalence electron in the atom to temporarily become a valence electron? energy mass neutrons electrons
During what procedure is fluid from within the uterus extracted with a big needle? A. ultrasound B. miscarriage C. amniocentesis D. cesarean section
An alkali metal is most likely to form an ionic bond with an element from which group? noble gases halogens alkaline earth metals transition metals
Two fruit flies having the same red eye color is an example of two organisms that are __________.
Ryker is given the graph of the function y= 1/2x^2 - 4 . He wants to find the zeros of the function but is unable to read them exactly from the graph. find the
find the area of a triangle with a base length of 4 units and a height of 5 units A. 8 units B. 9 units C. 10 units D. 20 units
five less than twice a number is 7
What number is 60% of 25?
The force tat one surface exerts on another when the two rub against each other is called?