# IGCSE Mathematics Paper-1: Specimen Questions with Answers 319 - 324 of 324

## Question 319

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### Write in Short

Choose one of the symbols given above to complete each of the following statements.

When x = 12 and y=-4, then

### Explanation

• Here x = 12 and y=-4
• So,
• So,

## Question 320

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### Write in Short

Solve the simultaneous equations.

### Explanation

Here given the 2 equations

……………………. (1)

………………………. (2)

Equation 1 multiplied by 2

……………………. (3)

x value put in equation 1

## Question 321

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### Write in Short

The price of an item changed from \$150 to \$130. Then later the price decreased again from \$130 to \$100. Which of the two decreases was larger in percentage term?

### Explanation

• First decrease in percent
• second decrease in percent
• The second decreases was larger in percent term.

## Question 322

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### Write in Short

Write as a column vector.

### Explanation

• Here coordinates is
• The coordinates of the vector are

## Question 323

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### Write in Short

Write down the values of

, , , ,

### Explanation

1. Here given the

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