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Solve the equation 3x squared + 4x – 12 = 0 Give your solutions correct to 2 decimal places.

3x 2 +4x-12=0 Step 1: formula (-b+/- square root (b 2 -4ac))/2a Step 2: a=3 b=4 c=-12 Step 3: type into your calculator Step 4: answer 1.44, or -2.77
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Answered by Jin Yang Q. • Maths tutor
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What are the technical names for the different degrees of the musical scale?

-The first note, C, is called the tonic . -The second note of the scale, D, is called the supertonic . -The third note of the scale, E, is called the mediant . -The fourth note of the scale, F, is called the...
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Answered by Samantha L. • Music tutor
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What is the conditional?

The conditional is the tense we use to speak about wishes or events which may happen in the future. For example, in English, we might say ' I would like to buy an ice cream' - The 'would' part of this senten...
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Answered by Olympia H. • French tutor
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What are the main differences between Athenian and Spartan women?

This question asks you to present a view of a typical Athenian woman and a typical Spartan woman and compare them to each other. Two examples of these differences are: their dresses - Spartan women wore shor...
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6037 Views

How does oxygen move into blood

Blood is made of many components, one of them being red blood cells. These are responsible for carrying oxygen around the body. Haemoglobin is the protein molecule within red blood cells that binds to oxygen...
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Answered by Nisha A. • Biology tutor
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