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Black_prince [1.1K]
4 years ago
13

When we plot all the points that satisfy an equation or inequality we __ it.

Mathematics
1 answer:
BabaBlast [244]4 years ago
4 0
When we plot all the points that satisfy an equation or inequality we GRAPH it
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Which of the binomials below is a factor of this trinomial? 4x2 + 12x + 9A. 2x-3B. 2x-1C. 2x+1D. 2x+3
katrin [286]

In order to factorate the trinomial, let's first find its roots using the quadratic formula:

\begin{gathered} b^2-4ac=12^2-4\cdot4\cdot9=144-144=0 \\ x_1=x_2=\frac{-b\pm\sqrt[]{b^2-4ac}}{2a}=\frac{-12+0}{2\cdot4}=-\frac{12}{8}=-\frac{3}{2} \end{gathered}

Now we can write the trinomial in the form:

a(x-x_1)(x-x_2)

So we have that:

4x2+12x+9=4(x+\frac{3}{2})(x+\frac{3}{2})=(2x+3)(2x+3)

So 2x + 3 is a factor of the trinomial, therefore the answer is D.

8 0
2 years ago
The cooper family owns a luxury sedan and a compact car. The fuel tank capacity of the luxury sedan 9s 22.45 gallons and that of
Viefleur [7K]

Answer:

13.75\ gal

Step-by-step explanation:

we know that

To find out the difference In the fuel tank of the two cars, subtract the fuel tank capacity of the compact car from the fuel tank capacity of the luxury sedan

so

22.45-8.7=13.75\ gal

4 0
4 years ago
Can someone solve this please 5(5t + 1) = 25t – 7
AnnZ [28]
It’s either no solution or just false depending on the answer choices you have

solving steps:
5(5t+1)=25t-7
25t+5=25t-7
5= -7

which is not true
8 0
4 years ago
Jodi's car used 12 gallons of gas to travel 456 miles. How many miles did her car even per gallon of gas
Paraphin [41]
Divide 456/12
you get 38
so the answer is 38 miles per gallon of gas.
8 0
4 years ago
Read 2 more answers
Using 2, 3, 5, 8, only one time , what makes 104
I am Lyosha [343]
8(5.2+3)=8(15+3)=8·13=104.
5 0
4 years ago
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