joellecarmel joellecarmel
  • 02-04-2020
  • Mathematics
contestada

The function y = -x - 1 and y = ½x + k intersect at the point (-2,1). Find the value of k.

Respuesta :

sqdancefan
sqdancefan sqdancefan
  • 02-04-2020

Answer:

  k = 2

Step-by-step explanation:

Fill in the given point values and solve for k.

  y = (1/2)x + k

  1 = (1/2)(-2) +k . . . . . . for x = -2, y = 1

  1 = -1 +k . . . . simplify; next, add 1

  2 = k

Answer Link

Otras preguntas

Triangle DEF (not shown) is similar to ABC shown, with angle B congruent to angle E and angle C congruent to angle F. The length of side DE is 6 cm. If the area
While researching a thesis paper on Ronalds Reagan’s presidency you discover multiple resources that support your argument. Which resource would be the most val
What is y=-5x-11 in standard form?
Help me with this. Only #3...please
write a sentence explaining why all solutions of rational equation must be checked
What is the answer for -6n-2n=16
Is it appropriate to choose a variety of English language as the only correct one to teach?
The graph shows how the number of key chains in your collection increased since you began collecting. 5 months ago. During which month did you collect the most
determine the product (4.2×10^-1)+(5.7+10^-1)​
what is the molarity of the solution formed when 7.88 grams of NaCl is mixed with enough water to make 350. mL of solution?