charleebuchert20 charleebuchert20

20-12-2022
Mathematics

Answered

Sergey is solving 5x2 + 20x – 7 = 0. Which steps could he use to solve the quadratic equation by completing the square? Select three options. 5(x2 + 4x + 4) = –7 + 20 x + 2 = Plus or minus StartRoot StartFraction 27 Over 5 EndFraction EndRoot 5(x2 + 4x) = 7 5(x2 + 4x + 4) = 7 + 20 5(x2 + 4x) = –7

Answer :

Other Questions

f(x) = (x + 2)2 and g(x) = x2 − (x + 2)2. Find f(x) − g(x).

Which of the following are exponential functions? Select all correct answers Select all that apply: Please explain how you solve this f(x)=2(1/2)^x g(x)=3(−7)^x

Use the table of values below to select the correct statement. x f(x) -2 -2 2 8 6 18 10 28 14 38 A. The function f is exponential and is growing by equal fac

Use the table of values below to select the correct statement. x f(x) -2 -2 2 8 6 18 10 28 14 38 A. The function f is exponential and is growing by equal fac

Which statements are true about the function represented by the graph? Select all that apply. Group of answer choices The function is positive over (1,∞) and ne

Use the limit process to find the area of the region between the graph of the function and the x-axis over the given interval. y = 16 - x², [-4, 4]

Write out, in paragraph form, a plan for completing the following proof. (For example, will you prove triangles congruent? How? By what theorem?) Please help! I

A triangle has vertices at (1, 4), (7, 4), and (7, -2). Select all the points which will lie on the median through the point (7, 4).

8. Which is the correct first step in solving 2x+5x-9=(2+3)+27 Additionally, what property justifies that step? 0 A. 2x+3x-9-2+ (x+2) B. 2x+9-3x- (2 + 3x) + 2?

https://www.savas... Help me solve this The cost of renting a canoe to use on River Y costs $46. The cost of renting a canoe to use on River Z costs $4 per hou