punkee6759 punkee6759
  • 04-07-2018
  • Mathematics
contestada

Select the point that satisfies y ≤ x2 - 5x + 6.


A. (1,1)

B. (4,4)

C. (2,2)

D. (3,3)

Respuesta :

gmany
gmany gmany
  • 04-07-2018
[tex]y\leqx^2-5x+6\\\\A.\ (1,\ 1)\to x=1;\ y=1\\\\\text{substitute}\\\\1\leq1^2-5\cdot1+6\\1\leq1-5+6\\1\leq2\ \boxed{TRUE}\\\\B.\ (4,\ 4)\to x=4;\ y=4\\\\\text{substitute}\\\\4\leq4^2-5\cdot4+6\\4\leq16-20+6\\4\leq2\ \boxed{FALSE}\\\\C.\ (2;\ 2)\to x=2;\ y=2\\\\\text{substitute}\\\\2\leq2^2-5\cdot2+6\\2\leq4-10+6\\2\leq0\ \boxed{FALSE}\\\\D.\ (3;\ 3)\to x=3;\ y=3\\\\\text{substitute}\\\\3\leq3^2-5\cdot3+6\\3\leq9-15+6\\3\leq0\ \boxed{FALSE}\\\\\text{Answer:}\ A.\ (1,\ 1)[/tex]
Answer Link

Otras preguntas

Length=4cmbreadth=3cmWhat is a volume????​
What is the probability that one card is either an 8 or a 5
A bakery makes 1048 rolls in a day and sells them in batches of 13. All the batches sell. How many rolls are left over?
what had Andrew been thinking about? How would you like to describe the state of his thoughts? Ans- ​
Why are chinampas is the best Aztec invention
A bond is worth $100 and grows in value by 2 percent each half year. find the value of f(1) = 100 (1.02)²^t
1. Fill in or = in the underlined space so that the number sentence is correct: (a) 5x3______________ 1500÷100 ​
What word in Spanish use these letters goreals?
User Let f(x)=x^2 and g(x)=(x-3)^2+6. There is one line with positive slope that is tangent to both of the parabolas y=f(x) and y=g(x) simultaneously. Find the
for each of the follwing situations write down the formula andd determine itf it defines a linear function