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Sergey is solving 5x2 + 20x – 7 = 0. Which steps could he use to solve the quadratic equation by completing the square? Check all that apply. 5(x2 + 4x + 4) = –7 + 20 x + 2 = 5(x2 + 4x) = 7 5(x2 + 4x + 4) = 7 + 20 5(x2 + 4x) = –7 x + 2 =
General
7 months ago
∆ABC is reflected about the line y = -x to give ∆A'B'C' with vertices A'(-1, 1), B'(-2, -1), C(-1, 0). What are the vertices of ∆ABC? A(1, -1), B(-1, -2), C(0, -1) A(-1, 1), B(1, 2), C(0, 1) A(-1, -1), B(-2, -1), C(-1, 0) A(1, 1), B(2, -1), C(1, 0) A(1, 2), B(-1, 1), C(0, 1) NextReset
General
7 months ago
Write a polynomial function f of least degree that has a leading coefficient of 1 and the given zeros -4,-2,5. write the function in standard form.
General
7 months ago
The parent function f(x) = log3x has been transformed by reflecting it over the x-axis, stretching it vertically by a factor of two and shifting it up three units. which function is representative of this transformation?
General
7 months ago
Tina plans on going bowling this weekend, and there are two bowling alleys in her town. The Bowling Pin charges $5 for shoe rental and $3.50 per game. The Alley Way charges $3 for shoe rental and $4 per game. Write an equation to show the break even point between the two bowling alleys, and then solve the equation. A) 5 + 3.5x = 3 + 4x, x = 4 B) 5 + 3.5x > 3 + 4x, x = 1 C) 5x + 3.5 = 3x + 4, x = 0.25 D) 5x + 3.5 = 3x + 4 x = 2
General
7 months ago
A kite has a square base with dimensions of 4 feet by 4 feet. what is the length of one of the diagonal crossbars that will be needed to stabilize the kite?
General
7 months ago
Haylee opened her savings account with $440 in week 1. each week after this, she deposited $65 in her account. how much money will haylee have in her savings account after week 25? enter your answer in the box.
General
7 months ago
Triangle PQR is dilated by a scale factor of 1.5 to form triangle P′Q′R′. This triangle is then dilated by a scale factor of 2 to form triangle P″Q″R″. If vertex P is at (3, -4) and vertex Q is at (5, -1), what are the coordinates of vertices P″ and Q″?P″(4.5, -6) and Q″(7.5, 1.5)P″(4.5, -6) and Q″(7.5, -1.5)P″(-9, 12) and Q″(15, -3)P″(9, -12) and Q″(15, -3)P"(-9, -12) and Q"(-15, -3)
General
7 months ago
A table with a round top is cut in half so that it can be used against a wall. After it is cut, the edge along the wall is 6 feet .What is the area A of the table after it is cut in half ?
General
7 months ago
Molly is designing a dog house for her puppy that has a rectangular base. The length of the base is 7 inches more than its width. She wants the area of the base to be at least 375 square inches.If w represents the width of the doghouse, write the inequality that can be used to determine the possible dimensions of the base of the dog house.1 A. 375 B. -1 C. -7 D. 382 E. 72 A. 7 B. 375 C. 1 D. -7 E. 3823 A. > B. < C. =4 A. 7 B. -7 C. 1 D. 375 E. 382
General
7 months ago
Write the equation of a line that is perpendicular to the given line and that passes through the given point.–x + 5y = 14; (–5, –2)
General
7 months ago
Is it ethical for a news blogger to construct a graph that exaggerates the negative effects of logging on the environment? Yes, it is important to make sure that people understand the negative effects of logging. No, results should be presented in a fair and objective manner. Yes, the environment is important to everyone. No, it is not important if people understand the negative effects of logging.
General
7 months ago
A store is having a 25% off sale. An item has a price of p. Which expressions can be used to find the sales price of the item ? Check all that apply
General
7 months ago
Solve for x in the equation x^2+4x-4=8
General
7 months ago
Complete the equation of the line through (-10,3) (-8,-8)
General
7 months ago
The expression consists of ? terms, and each term contains ? factors
General
7 months ago
HELP MEH HELP ITS SAYS Complete the number sentence to show an example of the distributive property
General
7 months ago
Three eights of the students in Ms. Mull’s class ride the bus. If there are 24 students in the class, how many students ride the bus? Explain how to use equivalent fraction to solve.
General
7 months ago
Find the coefficient of the fourth term of (x+2)^5 •32 •48 •64 •80 Find the coefficient of the third term of (3x-1)^5 •248 •270 •360 •505Find the coefficient of the third term of (a+5b^2)^4 •150•500 •625•1500
General
7 months ago
A bicyclist started riding at 8:00 A.M. The diagram below shows the distance the bicyclist had traveled at different times. What was the bicyclist's average rate of speed in miles per hour?8:00 A.M. <--- 4.5 ---> 8:18 A.M. <------ 7.5 ------> 8:48 A.M. The average rate of speed is ___ miles per hour.
General
7 months ago
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