angelcjsdfv409 angelcjsdfv409

31-05-2017
Mathematics

contestada

Mark is solving the equation 4x2 + 2x = -9 using the quadratic formula.

Which values could he use for a, b and c?

Question 6 options:

a = 4, b = 2, c = -9

a = 4, b = -9, c = 2

a = 4, b = 2, c = 9

a = 4, b = 9, c = -2

Save

Respuesta :

31-05-2017

4x^2 + 2x = -9
4x^2 + 2x + 9 = 0

remember that the form of quadratic is ax^2 + bx + c = 0

so
a = 4
b = 2
c = 9

Answer Link

Otras preguntas

Riots erupted in April of 1968 as a reaction to A) the Tet Offensive in the Vietnam War. B) the assassination of Robert F. Kennedy. C) the assassination of Ma

Claire is 12 years old. Her brother roger is 4 years old, and their mother is 36 years old. Which fraction shows the ratio of Claire’s age to her mothers? A. 1/

in 550 BC which leader began the persian empire along the north east coast of the persian gulf

Literacy rates in the Middle East are __________. A. declining for both men and women B. rising for men, but not for women C. improving for both men and wome

Select the correct answer. What does a thesis statement cover? A. the entire main idea of the paper B. the introduction and conclusion of the paper C. the sourc

Solve 765/14 and write your answer in terms of a mixed number

Manifest destiny was realized in the mid-1800s in various ways. With the Oregon territory, it was through negotiation. With the Southwest, it came from war with

Mike worked 2.25 hours on Monday, 2.5 hours on Wednesday, and 4.75 hours on Saturday. He earns $6.20 and hour. How much did he earn in all?

There were 160 smarties in the box yesterday, but now there are 116, what is the percent of change?

Evaluate the numerical expression8×{[(7+4)×2]-[(11-7)×4]}