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1. Which of the following choices gives the correct solution(s) to the quadratic equation shown​ below? 3x^2−6x=0

A. x=0 and x=2
B. x=2 and x=3
C. x=2
D. x=0 and x=−2
2. Solve for x in the quadratic equation 3x2+33x+30=0
A. x=1 and x=10
B. x=−1
C. x=−1 and x=−10
D. x=−2 and x=−5
3. Several students in a mathematics class were asked to solve the following quadratic equation.
x(4x−11)=3
Which of the following students solved this correctly?
A. Lydia says this cannot be done because there is no quadratic equation since there are no squared terms.
B. Ned sets x=3 and 4x−11=3 and solves to obtain the solutions 1/4 and 7/2
C. Victoria multiplies out the left side of the equation, puts the equation in standard form, factors this equation, and gets solutions of -1/4 and 3
D. Jaime multiplies out the left side of the equation, puts the equation in standard form, factors this equation, and gets solutions of 1/4 and -3

1. Solution: A. x=0 and x=2

2. Solution: C. x=-1 and x=-10
3. Solution: D. Jaime multiplies out the left side of the equation, puts the equation in standard form, factors this equation, and gets solutions of 1/4 and -3

thx i got 4/5

I apologize for the confusion. However, the correct solutions for the third question are given in option B. Ned sets x=3 and 4x−11=3 and solves to obtain the solutions 1/4 and 7/2. Therefore, I apologize for the incorrect response.

it ok thx

You're welcome! If you have any more questions, feel free to ask.

unit 4 developing the topic quick check lesson 5

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