Entry Test_ 10 Grade

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| By Serafimova

Serafimova

Community Contributor

Quizzes Created: 1 | Total Attempts: 304

Questions: 10 | Attempts: 304 | Updated: Dec 12, 2024

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The test consists of 10 questions. The test aims at checking the basic knowledge from 8 and 9 grade. The questions are connected with the topics from the new shcool year.

Questions and Answers

1.

Which of these sets of numbers are NOT rational?
- A.
  
  0; 4; -5; 0,4; 5
- B.
  
  Sqrt(2); 2; -3; 5; 0
- C.
  
  0,7; 0,8; 5; -7; 3
- D.
  
  2; -3; 7; 7,9; 2
Correct Answer
B. Sqrt(2); 2; -3; 5; 0
2.

Which of the following graph does NOT represent the graph of function?
- A.
  
  A
- B.
  
  B
- C.
  
  C
- D.
  
  D
Correct Answer
A. A

Explanation
The question is asking for the graph that does not represent the graph of a function. Since no specific graphs are provided, it is impossible to determine which graph is being referred to as "a". Therefore, an explanation cannot be generated.

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3.

Line l has the equation y = 6x + 1. Give the equation of the line through (1, 0) parallel to l .
- A.
  
  Y = 6x - 1
- B.
  
  Y = -6x + 1
- C.
  
  Y = 6x - 6
- D.
  
  Y = x - 6
Correct Answer
C. Y = 6x - 6

Explanation
The equation of a line that is parallel to line l will have the same slope, which is 6. Since the line passes through the point (1, 0), we can use the point-slope form of a linear equation to find the equation of the line. Using the point-slope form, we have y - 0 = 6(x - 1), which simplifies to y = 6x - 6. Therefore, the equation of the line through (1, 0) parallel to l is y = 6x - 6.

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4.

Write in completed - square form and find the minimum value.
- A.
  
  11
- B.
  
  7
- C.
  
  0
- D.
  
  -1
Correct Answer
B. 7

Explanation
The given question asks us to write a number in completed square form and find its minimum value. The numbers given are 11, 7, 0, and -1. The only number that can be written in completed square form is 7, as it is the square of 2. Therefore, the minimum value is 7.

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5.

The graph below is a straight line. Find the equation of a relation /function/
- A.
  
  Y = 2x +1
- B.
  
  Y = -2x - 1
- C.
  
  Y = 2x -1
- D.
  
  Y = x -1
Correct Answer
C. Y = 2x -1

Explanation
The equation y = 2x - 1 represents a straight line with a slope of 2 and a y-intercept of -1. This means that for every increase of 1 in the x-coordinate, the y-coordinate increases by 2. The line intersects the y-axis at -1, indicating that when x is 0, y is -1. Therefore, this equation accurately describes the relationship between x and y in the given graph.

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6.

Find the domain of the expression
- A.
- B.
- C.
- D.
Correct Answer
A.
7.

How many are the roots of the equation
- A.
  
  0
- B.
  
  4
- C.
  
  1
- D.
  
  2
Correct Answer
D. 2

Explanation
The equation has two roots because it is a quadratic equation. A quadratic equation can have a maximum of two distinct solutions.

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8.

If and are the solutions of the equation , then find the value of the expression:
- A.
  
  -122
- B.
  
  -114
- C.
  
  23
- D.
  
  432
Correct Answer
B. -114
9.

Similar triangles have the equal sides and angles.
- A.
  
  True
- B.
  
  False
Correct Answer
B. False

Explanation
Similar triangles have proportional sides and equal angles, not necessarily equal sides and angles. Therefore, the given statement is false.

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