Solve a formula for one letter
Grade 9 Math Worksheet
Circle the best answer, or write your answer on the line.
Pia's triangle sign has area A = (1/2)bh: base b, height h. Solve A = (1/2)bh for h.
Ren's box has volume V = lwh. Solve V = lwh for w.
Tala pays T = pn + s for n books: price p each plus a fee s. Solve T = pn + s for n.
Zee's toy rocket has energy E = mgh: mass m, gravity g, height h. Solve E = mgh for h.
Ari studies the line y = mx + b. Solve y = mx + b for b.
Bo has a line in standard form, Ax + By = C. Solve Ax + By = C for y.
Esme writes a line through (a, b) as y − b = m(x − a). Solve this for b.
Jun's line is Ax + By = C. Solve Ax + By = C for x.
Luz rides a bus trip that covers d = 150 km in t = 3 hours, using d = rt. What is the speed r, in km per hour?
Milo's robot circuit has V = 12 volts and I = 3 amps, using V = IR. What is the resistance R?
