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drek231 [11]
3 years ago
8

Is y= x^2-1 a linear equation?

Mathematics
2 answers:
Georgia [21]3 years ago
8 0

Answer:

NO

Step-by-step explanation:

<u>Step 1:  Determine if linear</u>

No, since the x term is squared, that produces the bend that makes a parabola.  If the x term is not squared is just by itself, that is a linear equation.

Answer: NO

<u>Graph Below</u>

Svetach [21]3 years ago
6 0

Answer:

no

Step-by-step explanation:

it involves a square, which when graphed, generates a curve

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How to simplify the expression. 60m-15(4-8m)+20
Mama L [17]

Answer:

180m-40

Step-by-step explanation:

60m-15(4-8m)+20

= 60m-60+120m+20

= 180m-40

4 0
3 years ago
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Which statements are always true regarding the diagram? Select three options. m∠5 + m∠3 = m∠4 m∠3 + m∠4 + m∠5 = 180° m∠5 + m∠6 =
DanielleElmas [232]

Based on the triangle sum theorem, exterior angle theorem, the true statements are:

m∠5 + m∠6 = 180°

m∠2 + m∠3 = m∠6

m∠2 + m∠3 + m∠5 = 180°

<h3>What is the Triangle Sum Theorem and the Exterior Angle Theorem?</h3>

According to the triangle sum theorem, m∠2 + m∠3 + m∠5 = 180°.

Also, based on the exterior angle theorem, m∠2 + m∠3 = m∠6.

∠5 and ∠6 are a pair of linear angles, therefore: m∠5 + m∠6 = 180°.

In summary, the true statements about the diagram given are:

  • m∠5 + m∠6 = 180°
  • m∠2 + m∠3 = m∠6
  • m∠2 + m∠3 + m∠5 = 180°

Learn more about the triangle sum theorem on:

brainly.com/question/7696843

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8 0
2 years ago
How is finding the unit rate helpful before graphing a proportional relationship
eduard
It is helpful to find a unit rate first.  If you find a unit rate first, then it will be easier to compare
6 0
3 years ago
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ralph is three times as old as sarah. in 6 years ralph will be twic as od as sarah will be then find ralphs age now
frutty [35]
1) 3S = R 2) R+6= 2 (S+6)= 2S+12 ----> R=2S+61,2 )--> 3S = 2S+6 ---><span>S=6 & R= 3 x 6 = 18Ralph is 18 & Sara is 6 .</span>
8 0
3 years ago
Help on both of these pls<br> also sry the lighting is weird
IRISSAK [1]

Answer:

see explanation

Step-by-step explanation:

The 2 angles form a right angle, thus their sum is 90°, hence

4x + 7 + 35 = 90

4x + 42 = 90 ( subtract 42 from both sides )

4x = 48 ( divide both sides by 4 )

x = 12

-----------------------------------------------------

To calculate the slope m use the slope formula

m = ( y₂ - y₁ ) / ( x₂ - x₁ )

with (x₁, y₁ ) = (0, 0) and (x₂, y₂ ) = (1, 4) ← 2 points on the line

m = \frac{4-0}{1-0} = \frac{4}{1} = 4


5 0
3 years ago
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