DIGITAL SAT MATH PROBLEMS AND SOLUTIONS
(Part - 26)

Problem 1 :

The scatterplot shows the relationship between two variables, x and y. A line of best fit is also shown.

Which of the following equations best represents the line of best fit shown?

A)  y = 2.8 + 1.7x

B)  y = 2.8 - 1.7x

C)  y = -2.8 + 1.7x

D)  y = -2.8 - 1.7x

Solution :

Problem 2 :

The graph opf y = f(x) is shown in the xy-plane above. What is the value of f(0)?

A)  -3

B)  0

C)  ⅗

D)  3

Solution :

Problem 3 :

Which expression is equivalent to

(m⁴q⁴z^-1)(mq⁵z³),

where m, q and z are positive?

A)  m⁴q²⁰z^-3

B)  m⁵q⁹z²

C)  m⁶q⁸z^-1

D)  m²⁰q¹²z^-2

Solution :

Problem 4 :

g(m) = -0.05m + 12.1

The given function g models the number of gallons of gasoline that remains from a full gas tank in a car after driving m miles. According to the model, about how many gallons of gasoline are used to drive each mile?

A)  0.05

B)  12.1

C)  20

D)  242.0

Solution :

Problem 5 :

The given equation relates the positive numbers b, x, and y. Which equation correctly expresses x in terms of b and y?

Solution :

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