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Maths-

SAT

Easy

Question

An equation for the graph shown is y = (x - 1)(x + b), where b is a constant. What is the value of b ?

3
1
-3
-4

The correct answer is: 3

Given y = (x – 1) (x + b)
X – (-3)
X + 3
- 3 = 1 - 1
B = 3

Related Questions to study

Number of pages

Frequency

46

1

47

2

48

4

49

5

50

5

51

2

52

5

53

4

Paulina has 28 books in her collection. The frequency table summarizes the number of pages in each book. If she buys a new book that has 62 pages, how will this impact the mean and median numbers of pages of the books in her collection?

Number of pages

Frequency

46

1

47

2

48

4

49

5

50

5

51

2

52

5

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Paulina has 28 books in her collection. The frequency table summarizes the number of pages in each book. If she buys a new book that has 62 pages, how will this impact the mean and median numbers of pages of the books in her collection?

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Line m is defined by $y equals negative 3 over 4 x plus 2$ . Line p is parallel to line m in the xy-plane and passes through the point (4, -3). Which equation defines line p ?

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parallel

Hardcover

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$18

Cost

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A certain book is available from a publishing company in both hardcover and paperback. The table shows the revenue and cost in 2016 for each of the hardcover and paperback books produced by the company.
In 2016 the total cost for 200 of the books that were sold was between $2,200 and $2,400. Which of the following could be the number of hardcover books that were sold?

Hardcover

Paperback

Revenue

$24

$18

Cost

$14

$10

A certain book is available from a publishing company in both hardcover and paperback. The table shows the revenue and cost in 2016 for each of the hardcover and paperback books produced by the company.
In 2016 the total cost for 200 of the books that were sold was between $2,200 and $2,400. Which of the following could be the number of hardcover books that were sold?

A set of data is represented by the scatterplot in the portion of the xy-plane shown. Which of the following linear equations best models the data?

A set of data is represented by the scatterplot in the portion of the xy-plane shown. Which of the following linear equations best models the data?

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Length (miles)

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The table gives some values of possible lengths x, in miles, of a monorail system, and their corresponding costs to build f(x), in millions of dollars. Which of the following equations models this relationship?

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Cost (millions of dollars)

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The table gives some values of possible lengths x, in miles, of a monorail system, and their corresponding costs to build f(x), in millions of dollars. Which of the following equations models this relationship?

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2a + b = 17
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2a + b = 17
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The solution to the given system of equations is (a, b). What is the value of 3a + 3b ?

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The table shows the maximum depth, in meters, of the 5 deepest oceanic trenches.

Trench name

Depth (meters)

Kermadec

10,047

Kuril-Kamchatka

10,500

Mariana

11,033

Philippine

10,540

Tonga

10,882

What is the range, in meters, of these 5 trench depths?

The table shows the maximum depth, in meters, of the 5 deepest oceanic trenches.

Trench name

Depth (meters)

Kermadec

10,047

Kuril-Kamchatka

10,500

Mariana

11,033

Philippine

10,540

Tonga

10,882

What is the range, in meters, of these 5 trench depths?

parallel

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