What are the solutions to 2x^2 + 7x = 4

1 answer:

5 0

2x^2+7x-4=0
Δ=7^2-4*2*(-4)
Δ=49+32
Δ=81
x1=(-7+V81)/4=(-7+9)/4=2/4=1/2
x2=(-7-9)/4=-16/4=-4

the solutions: x1= 1/2 and x2= - 4

You might be interested in

1. What is the degree form for 4π/9

nikklg [1K]

the answer should be about 80 degrees

8 0

4 years ago

Susan's weekly earnings were proportional to the number of hours she worked. This table shows the number of hours Susan worked a

oksano4ka [1.4K]

Answer: your answer is 19.00$

4 0

3 years ago

How do you solve a algebraic equasion as shown: A=Q+T/PQ ans you are solving for P?

mina [271]

I'm not sure if there's a certain form your teacher likes better but I put two

4 0

3 years ago

Kipp is making bird houses for a park. The guidelines tell him how many of each wooden in shape to use on one birdhouse .If he f

ankoles [38]

The answer to this is A) For 8 birdhouses, he will need 16 trapezoids.

(B = 12*4 is 48 not 16.) (C = A 2 to 1 ratio.) (D = a 1 to 2 ratio.) Hope that helps!

4 0

3 years ago

Read 2 more answers

I giveee brainlilstttttt

lianna [129]

Answer:

(-3,-1)

Step-by-step explanation:

7 0

3 years ago

Read 2 more answers