Algebra 1 Course Test (problems: 1 - 20)

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Problem 1

What is the solution of the equation ?

A.

Correct
B.

Incorrect
C.

Incorrect
D.

Incorrect

Problem 2

The admission fee at a small fair is $1 for children and $5 for adults. On a certain day, 1000 people entered the fair and $1,500 was collected. How many children attended the small fair on that day?

A. 875

Correct
B. 900

Incorrect
C. 1125

Incorrect
D. 1200

Incorrect

Problem 3

What is the slope of the line whose function f satisfies f(1) = 6 and f(4) = –8?

A.

Correct
B.

Incorrect
C.

Incorrect
D.

Incorrect

Problem 4

The triangle PQR is a right triangle. What is the value of x in the triangle PQR?

A. 3

Incorrect
B. 4

Correct
C. 5

Incorrect
D. 6

Incorrect

Problem 5

What percent of 160 is 20?

A. 10%

Incorrect
B. 12.5%

Correct
C. 25%

Incorrect
D. 35%

Incorrect

Problem 6

The area of the parallelogram PQRS is given by the polynomial x² + x – 42.

If the length of the side is given by x + 7, what is the distance between the line segments and ?

A. x + 7

Incorrect
B. x + 6

Incorrect
C. x – 6

Correct
D. x – 3

Incorrect

Problem 7

If the x-intercepts of a parabola are 1 and –5, what is the equation of the axis of symmetry?

A. x = 4

Incorrect
B. x = –4

Incorrect
C. x = 2

Incorrect
D. x = –2

Correct

Problem 8

A bag contains 3 red balls, 4 black balls and 5 green balls. One ball is picked up from the bag randomly. What is the probability of getting a red or a green ball?