SocialTwist Tell-a-Friend

Ask a Question? Get an Answer!


Question: Find the x-intercepts by graphing the related function of the equation - x2 - 4x = 3.


A ) 3 and 1
B ) - 3 and - 1
C ) - 3 and 1
D ) 3 and - 1

Steps to derive

 [Standard form of a quadratic equation.]
1 ax2 + bx + c = 0

 [Original equation.]
2 - x2 - 4x = 3

 [Subtract 3 from each side.]
3 - x2 - 4x - 3 = 0

4 Sketch the graph of the related quadratic function y = - x2 - 4x - 3 as shown below:


5 In the graph shown, the x-intercepts are - 3 and - 1.



Hence the right answer is Option B

Click Here To Go Back


Few Other Questions -

  • Add: 2  2  +4  4  ..
  • 53 + 44 = _______..
  •   9  2- 4  3______..
  • How many odd numbers are there between 0 and 10?..
  • How many odd numbers are there between 0 and 20?..
  • How many even numbers are there between 0 and 10?..
  • How many even numbers are there between 0 and 20?..
  • How many odd numbers are there between 30 and 40?..
  • Identify the number of odd numbers between 20 and 40...
  • How many even numbers are there between 40 and 50?..
  • How many even numbers are there between 10 and 30?..
  • Identify the odd number...
  • How many odd numbers are there in the figure?..
  • Identify an even number...
  • Which of these numbers would you add to 65 to make it an even number?..
  • Find the total number of odd and even numbers between 0 and 10...
  • Find the number of odd and even numbers between 0 and 15...
  • How many odd numbers are there?..
  • Which of the given additions results in an even number?..
  • Identify the even number...
  • Which of the given additions gives you an odd number?..
  • Which set contains all even numbers between 0 and 7?..
  • Identify the set that shows all odd numbers between 0 and 8...
  • Which of the following additions gives you an even number?..
  • Which of these products gives you an even number?..
  • Which of the following is true about the number 15?..
  • Identify an odd number...
  • Anna has twenty-four pencils. Which of the following statements is true?..
  • Choose an odd number...
  • Identify the even number...
  • Identify the odd number...
  • Choose the odd number...
  • Choose an even number...
  • Which one is an even number?..
  • Which one of these number sentences represents the array shown?..
  • Choose a number sentence for the array shown...
  • Ashley wants to plant 6 rows of lilies in her garden. She plants 7 in a row. How many plan..
  • Josh places 2 cushions each on 3 couches. How many cushions does he have altogether?..
  • Michael needs 4 wheels to make a car. How many wheels will he need for 4 such cars?..
  • Which of the given arrays shows 4 × 3 = 12?..
  • Lydia bought 5 apples every day. How many apples did she buy in 8 days?..
  • Identify the number sentence that represents the butterfly array shown...
  • Choose the number sentence for the array shown...
  • Justin arranged chocolates in a tray as shown. Which number sentence could be used to dete..
  • Brad had $46.26. He bought two shirts priced $11.20 and $15.53. How much does he have afte..
  • Zelma had 434 lb of cookies and she distributed the cookies equally among three children. ..
  • Compare the numbers using appropriate symbol. 3255  937..
  • Choose the appropriate symbol that best compares the given numbers. 7454 ________ 4385..
  • Compare: 373,975    458,344..
  • Compare: 7 × 7 12 + 2 + 20..
  • Compare: Nine thousand two hundred eighty four    Eight thousand five hundre..
  • Compare: Four thousand sixty three    Five thousand ninety eight..
  • Compare: Two million three thousand twenty    Two million five hundred fifty ..
  • Compare: Three million four thousand    Two million three thousand..
  • Identify the outlier in the line plot...
  • A manufacturing company has just released its shares in the market with an initial value o..
  • Identify the outlier in the line plot...
  • Tim increased the length of a flowerbed by 20%. If the flowerbed was 19 feet long, then h..
  • The stem and leaf plot represents the sales of croissants during 9 days. Which of the hist..
  • Edward's father receives 9% more salary than Tim's father. If Tim's father gets $4,000, th..
  • Stephanie buys a pineapple juice that offers 20% more on every 400 ml bottle. How much mor..
  • If the discriminant b2 - 4ac of a quadratic equation is negative, then which of the follow..
  • The line plot shows heights (in feet) of persons in a clowning club. Find the number of pe..
  • Mrs.Smith has divided all the students in her class into groups. The line plot shows the n..
  • The histogram shows the number of directors and the number of movies they complete in a ye..
  • The line plot shows the heights (in ft) of labourers in an organization. Find the mode of ..
  • The histogram shows the number of directors and the number of movies they make in a year. ..
  • The line plot shows the opinions of the students in a class on whether a test can be condu..
  • Find the mean. 22, 25, 29, 22, 25, 25, 22, and 38..
  • Solve: (b - 5)2 = 0..
  • The line plot represents the number of students who got different scores in a math quiz. H..
  • The line plot represents the number of students who got different scores in a math quiz. W..
  • The line plot shows the number of pizzas ordered by Tom, Jim, Smith and Estelle. What is t..
  • Paul bought a Digital camera for $500. He had to pay 13% sales tax. Find the sales tax pai..
  • Solve: (3c - 2)2 = 0..
  • Find the mean.14, 19, 19, 18, 18, 15, 13, and 44..
  • Jimmy won 40% of the games he played. The total number of games he played is 40. Find the ..
  • Solve: (d - 5)(5d - 11) = 0..
  • The scorecard of Nathan in his fifth grade pre-final exams is shown. Find the range in Phy..
  • Solve: f(f - 4) = 0..
  • Find the range. 27, 29, 64, 35, 48, 37, 17, 59, 51, and 4..
  • The number of hours each student of a class spends for studies are 4, 7, 8, 5, 6, 9, 7, 4,..
  • The line plot shows the number of pizzas ordered by Tom, Jim, Smith and Estelle. How many ..
  • Solve: (g - 9)(g + 9)(g + 10) = 0..
  • The heights of trees in a park are 4.2 ft, 5.2 ft, 5.9 ft, 6.5 ft, and 6.4 ft. Find the ra..
  • Use a tree diagram to find the number of possible outcomes when a coin is tossed three tim..
  • The two spinners are spun together. Find the probability for which the sum of numbers on ..
  • Ed has a box, which has 2 milk chocolates (D), 2 dark chocolates (P) and 2 Milky bars (M)...
  • Amy tossed a penny and a dime at the same time. Identify the tree diagram that shows all t..
  • Find the mean for the data set 10, 20, 30, 40, 50, 60, 70, 80, 90...
  • Four queen cards are placed on the table. A coin is tossed and one of the queen is chosen ..
  • Find six hundred sixty in standard form...
  • Tony went to a restaurant. Two desserts and four beverages were available there. The desse..
  • Sam needs to decide his snack. He can have milk or coffee followed by chocolate chips or p..
  • Simon must wear either a yellow shirt (YS) or a green shirt (GS) with a white trouser (WT)..
  • The histogram indicates the number of employees of a company under different age groups. H..
  • The histogram indicates the number of employees of a company under different age groups. W..
  • A coin is tossed and the number cube is rolled simultaneously. Find the probability of get..
  • Matt wants to buy a car. He has to choose between 2 brands of cars, Camry and BMW. The two..
  • Use a tree diagram to find the probability of choosing a red colored shirt of small size a..
    		•