MATH I NEED HELP PLEASE

posted by .

1. Which of the following conclusions is true about the statement below?

A. The statement is never true.
B. the statement is true when x =0.
C. The statement is true when x is negative.
D. The statement is always true.

My answer was B.

2. Solve for x in the equation x^2 - 2 x - 15 = 0 .

A. ( -3 , -5)
B. ( 3 , -5 )
C. (-3 , 5)
D. ( 3 , 5 )

My answer is C.

3. Select the approximate values of x that are solutions to f ( x ) = 0 , Where f ( x ) = 2 x^2 + 4 x + 9

A. ( -0.22 , 0.44 )
B. ( -2 , 4 )
C. ( -2.00 , -4.50)
D. ( -1.35 , 3.35 )

My answer is B.

4. f ( x ) = 3 x ^2 + 8 x + 3

A. ( 3.00, -0.33 )
B. ( -3 , 8 )
C. ( -2.67 , -1.00)
D. ( -1.00,2.67)

My answer is C.

5. f ( x ) = 8 x ^2 + 7 x + 4

A. ( - 0.39 , 1.27 )
B. ( -8 , 7 )
C. (-0.88 , -0.50 )
D. ( -2.00 , 1.75 )

My answer is B.

6.Select the values of x that are solutions to the inequality 0 > x ^2 + 5 x -2

A. x E ( -5-square root 33 / 2 , -5+square root 33 / 2)
B. x E ( -5- square root 33/ 2 , -5 + square root 33 / 2 )
C. x E ( - 00, -5- square root 33 )/2 U ( -5 + square root 33, 00 / 2 )
D. x E ( -00, -5- square root 33 ) /2 U ( -5 + square root 33 , 00 /2 )

My answer is A.

  • MATH I NEED HELP PLEASE -

    Hello Stevie Can you please look over my work Thank you.

  • MATH I NEED HELP PLEASE -

    #1 - no idea, since you don't show the statement below

    #2 C is correct

    #3 since the discriminant is negative, there are no real roots, so none of the choices is correct. Typo?

    #4 I get -2.21, -0.45
    That is, (-4±√7)/3
    Typo?

    #5 Again, no real roots. Typo?

    #6 A and B look the same to me, but if A is

    ((-5-√3)/2 , (-5+√3)/2)

    then (A) is correct.

    I guess B is (-5) - (√3/2),...?

  • MATH I NEED HELP PLEASE -

    Thank you Steve

  • MATH I NEED HELP PLEASE -

    cOO;

Respond to this Question

First Name
School Subject
Your Answer

Similar Questions

  1. math

    1)Find the third iterate x3 of f(x)=x2-4 for an initial value of x0=2 A)-4 B)4 C)12 D)-12 I chose C 2)Use Pascal's triangle to expand:(w-x)5 This ones long so I chose w5-5w4x+10w3x3-10w2x4+5wx4-x5 3)Use the binomial Theorem to find …
  2. Algebra II

    In an induction proof of the statement 4+7+10+...+(3n-1)=n(3n+5)/2 the first step is to show that the statement is true for some integers n. Note:3(1)+1=1[3(1)+5]/2 is true. Select the steps required to complete the proof. A)Show that …
  3. physics

    Consider the following statement: “When a rifle is fired horizontally, the bullet leaves the barrel and doesn’t drop at all for the first 45 meters of flight.” Is this statement true?
  4. geometry

    Rafael wrote the statements shown in the chart. Statement 1 Description If a point lies outside a line, then exactly one plane contains both the line and the point. Statement 2 Description If two points lie in a plane, then the line …
  5. math

    Which of the following conclusions is true about the statement below?
  6. Math Quadratic Equations

    1. Which of the following conclusions is true about the statement below ?
  7. algebra

    x^2(insert radical sign) x is this statement always true is this true when x is negative is this never true is this true when x=0 Wow can't understand this. Anyone explain this to me please
  8. Mth 209

    Which of the following conclusions is true about the statement below?
  9. logical statements-urgent

    I have to come up with a logical statement when making a truth table that has these conditions: The statement is always false if both P and Q are true. Otherwise, the statement is true if Q is true but R is not true. so far I have …
  10. Statistics

    Answer “True” if the statement is always true. If the statement is not always true, replace the underlined words with words that make the statement always true. Alpha is the measure of the area under the curve of the standard score …

More Similar Questions