christiang64
christiang64 christiang64
  • 21-10-2019
  • Mathematics
contestada

evaluate∣2x+7∣ for x=-4

Respuesta :

Аноним Аноним
  • 21-10-2019

∣2x+7∣ for x=-4

Use the substitution method

∣2*-4+7∣

Mutiply first then add +7

∣2*-4∣= -8

∣-8+7∣= -1

Whenever there is a negative number for absolute value , the number becomes a + positive number.

∣-1∣= 1

Answer:

1

Answer Link

Otras preguntas

Which of the following best describes the difference between a mixture and a pure substance?
Which one describes how much matter an object contains,using SI units?A.43kgB.65mC.38poundsD.89second
Which of the following is a sign of inflammation? a. bruising b. swelling c. numbness d. temperature decrease
which property is (3+5) times 6 = 3 + (5 times 6)
An athlete runs 90 laps in 6 hours. This is the same as how many laps per minute? (A) 1/15 (B) 1/9 (C) 1/4 (D) 1/2 (E) 1
What's 32xy divided by 24yz and how do you figure it out.  The question also asks me to write it as a fraction then cancel (or reduce).
Find k such that x² + (k + 1)x + k + 4 = 0
Graph the linear equation solve for Y 3x+y=6
how can you tell that a fraction corresponds to a repating decimal and not a terminating decimal
Write 314,207 in expanded form