If you are using algebra tiles to factor a trinomial of the form ax2 + bx + c, when would you need to bring in zero pairs? Why?

Answers

Answer 1
Answer:

If the value of c is negative, you would need zero pairs to model the factorization of the polynomial. The x-tiles on the board determine what the constants are in the factors. The product of these constants is equal to the value of c, so you would need positive tiles on one side of the x-squared tile and negative x-tiles on the other side to have opposite signs on the constants. Opposite signs on the constants will result in a negative value for c when multiplying the factors.

Answer 2
Answer:

When we have c in ax2 + bx + c as negative, the pairs will have to be zero to achieve the  factorization of the polynomial.

What are algebra tiles?

Algebra tiles are squares that help students to develop the manipulative skills that are required in algebraic problems.

When we have c in ax2 + bx + c as negative, the pairs will have to be zero to achieve the  factorization of the polynomial. The x-tiles on the board determine what the constants are in the factors.  Since we need opposite signs to show the  constants this will give us a negative value for c when multiplying the factors.

Learn more about algebra: brainly.com/question/953809


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X varies directly with Y and Z. x = 40 when y = 10 and Z = 20. find X when y = 30 and Z = 40.​

What word describes the quadrilateral

Answers

A quadrilateral is a four-sided polygon with four angles.
Quadrilateral is a geometric shape that consists of four points (vertices) sequentially joined by straight line segments (sides).

Which of the following number is greater?
7.03. Or 7.0? Why?

Answers

The  greater number in between 7.03 and 7.0 is, 7.03

What is a decimal number ?

A decimal number is a number that expresses a quantity in terms of a power of 10. It uses a decimal point to separate the integer part of the number from the fractional part. The fractional part is expressed as a sum of multiples of powers of 10, where the power of 10 is determined by the position of the decimal point.

For example, the decimal number 3.14 represents the number 3 + 0.14, where 0.14 can be expressed as 14/100 (14 hundredths).

Given that,

Two numbers,

7.03 & 7.0

7.03 is greater than 7.0. The reason for this is that the number after the decimal point represents the fractional part of the number, and the digit to the right of the decimal point represents a smaller fraction.

For example, 7.03 can be represented as 7 + 0.03,

while 7.0 can be represented as 7 + 0.0.

So, it's clear that 7 + 0.03 is greater than 7 + 0.0,

Therefore, 7.03 is greater than 7.0.

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7.03 is greater. It's greater because if 7.0 is the same thing as 7.00. 7.03 is greater than 7.0 by .03.

Why does adding a 0 to the end of a decimal not change the value of the decimal?

Answers

Answer:

because after decimal then value 0 dont have meaning

Find the unit rate (cost of 1 candy bar) if it costs $2.59 for 4 candy bars.

Answers

so you do 2.59/4

= 0.6475
round it to 0.65
Each candy bar = $2.59 / 4
= $0.65 (to 2 decimal places)

How do you convert 18/5 into a mixed number

Answers

Ok, so first, see how many times 5 goes into 18. It goes into it 3 times so know the leftover numbers become the fraction (numerator). Your answer is 3 3/5

The mixed number equivalent of 18/5 is 3 3/5.

Converting improper fraction into mixed fraction.

To convert the fraction 18/5 into a mixed number, you can divide the numerator 18 by the denominator 5.

The quotient will become the whole number part of the mixed number, and the remainder will become the numerator of the fraction part. Here's the process:

18/5 = 3 3/5

The remainder becomes the numerator of the fraction part, which is 3.

The denominator of the fraction part remains the same, which is 5.

Therefore, the mixed number equivalent of 18/5 is 3 3/5.

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2/7×15 can the answer be simplify

Answers

2/7*15
divide/multiply from left to right...
2/7*15=30/7
then simplify...
4 2/7

i hope that helped...
The answer may be simplify into 4 2/7.
You do this because the answer was 30/7
30÷7= 4 2/7