1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Troyanec [42]
3 years ago
8

Evaluate the expression when x=-3 x ^2 + 8x-7

Mathematics
1 answer:
VMariaS [17]3 years ago
3 0

You just have to plug in the -3

(-3)^(2)+8(-3)-7

Then the answer would be -22

You might be interested in
What is w+ 1/x + 1/y + 1/z if w=20, x=23, y=19, and z=28
scoundrel [369]
If W=20 put it in for W, Same with all the other letters: so now we have: 20+1/23+1/19+1/28. Now divide: 1/23=.043, 1/19=.053, 1/28=.036... Now add: 20+.043+.053+.036=20.132. The answer is 20.132 :)
3 0
4 years ago
Find the missing side of the triangle. no links​
Daniel [21]

Answer:

B

Step-by-step explanation:

15² - 12² = 81

√81 = 9

3 0
3 years ago
Find the midpoint of segment JT when the coordinates are J(-3,18) and T(7,-10). Show all work
nignag [31]
Given two points (x₁,y₁) and (x₂,y₂), the midpoint of the segment will be:
( (x₁+x₂) / 2 , (y₁+y₂)/2  ).
In this case:
J(-3,18)
T(7,-10)

The midpoint will be:
( (-3+7)/2  ,  (18-10)/2 )=(4/2 , 8/2)=(2, 4).

Answer: the midpoint of segment JT is (2,4)
5 0
3 years ago
Which expression is equivalent to 10k + 17 - 7j - 18 - 11k?
kodGreya [7K]

Answer:

-7j-k-1

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
Simplify question question 18<br><br> ILL MARK BRAINLIST
Ksju [112]

Answer:

x^9y^3

Step-by-step explanation:

Step 1: Write expression

(\frac{x^{\frac{3}{4} }}{y^{\frac{-1}{4} }} )^{12}

Step 2: Simplify Parenthesis

(x^{\frac{3}{4} }}{y^{\frac{1}{4} }} )^{12}

Step 3: Exponent Exponents

(x^{\frac{36}{4} }}{y^{\frac{12}{4} }} )

Step 4: Simplify

(x^9 }}{y^3 )

4 0
4 years ago
Other questions:
  • What is the value of x in the equation<br> (x + 12) = 165x + 14) – 3?
    7·1 answer
  • Graph the system of linear equations. -1/2y=1/2x+5 and y=2x+2
    10·1 answer
  • Find the sum.<br> 19+(-19)
    15·1 answer
  • Kim’s age is twice that of her sister. When you add Kim’s age to her sisters age you get 42. How ils is each sister Write an equ
    5·1 answer
  • A class of 20 students is visiting the fair today. Each student is 16 years old or younger and will participate in
    9·2 answers
  • The dimensions of a triangular prism are shown in the diagram.
    7·2 answers
  • SOMEONE PLEASE HELP ME ITS URGENT (PICTURE)
    5·1 answer
  • 70 is what percent of 56
    10·1 answer
  • Need help pls! 18 points
    8·1 answer
  • I’ll give brainiest to someone who answers all of the given answers below
    5·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!